Effects of chill casting processes on secondary dendrite arm spacing and densification of Al-Si
铸造凝固界面换热系数求解的反热传导模型
铸造凝固界面换热系数求解的反热传导模型张立强;李落星;谭文芳;徐戎【摘要】In order to calculate the interfacial heat transfer coefficient (IHTC) with the latent heat released during the solidification of the molten, a model of inverse heat conduction based on the equivalent specific heat method was established. The effects of some parameters in the model on the stability and the accuracy of calculation results were also discussed. The parameters include the damping factor μ, the future time step R, the time step Δθ in the forward heat cond uction calculation and the value of the iteration Tcr. The heat transfer coefficient of A356 Al alloy on copper chill is obtained by using the inverse heat conduction method based on the measured temperatures in the casting. And it is found that the IHTC varies with time during the casting solidification. The values are in the range of approximately 1 200-6 200 W/(m2∙K) and two peak values exist because of the released latent heat.%考虑到铸件凝固过程中因潜热释放造成的数值计算结果难于收敛问题,建立基于等效比热法的反热传导模型,并分析模型中各种计算参数如阻尼系数μ、未来时间步长R、正热传导计算时的时间步长Δθ及收敛误差值Tcr等对反算求解结果稳定性及准确性的影响,应用所建立的反热导模型,通过铸件内温度数据计算得到A356铝合金与铜冷却介质间的界面换热系数。
从我家到台球厅的英语作文
从我家到台球厅的英语作文It was a crisp autumn evening when I decided to venture out to the local pool hall for a game of billiards with some friends. The air had a certain chill to it as I stepped out of my cozy apartment, but the prospect of friendly competition and lively conversation kept me motivated to make the short trek.As I walked out the front door, I was immediately greeted by the sight of the quiet residential street where I lived. The houses lining the road were mostly dark, their occupants having already retired for the night. A lone streetlight flickered overhead, casting an amber glow on the neatly trimmed hedges and well-manicured lawns. I pulled my jacket a little tighter around myself and set off down the sidewalk, my footsteps echoing against the pavement.After a brief stroll down my street, I reached the corner and turned left, now walking parallel to the main road that ran through the heart of the neighborhood. This stretch was a bit busier, with the occasional car passing by and the occasional pedestrian hurrying to their destination. I picked up my pace, eager to get out of the chillynight air and into the warmth of the pool hall.As I approached the main road, I paused at the crosswalk, waiting for the signal to indicate that it was safe to proceed. The intersection was fairly well-lit, with traffic lights suspended overhead casting a red glow over the area. I glanced both ways, watching for any oncoming vehicles, then stepped out into the street when the pedestrian signal switched to a walking figure.Once across the road, I found myself on the sidewalk of a more commercial area, with various shops and businesses lining the street. The pool hall was located just a block down, its neon sign visible in the distance. I could already hear the faint sound of billiard balls clacking together, spurring me onward.As I drew closer to the pool hall, the streetscape became more lively. Groups of people milled about outside the various establishments, chatting and laughing. The air was filled with the aroma of freshly brewed coffee and the sizzle of food cooking in nearby kitchens. I dodged around a few pedestrians as I made my way down the sidewalk, keeping my eyes peeled for the familiar storefront.Finally, I reached my destination - a modest-looking building with a large window display showcasing the pool tables and gaming equipment inside. I paused for a moment to admire the neon signthat proudly proclaimed "POOL HALL" in vibrant colors. Taking a deep breath, I pulled open the door and stepped inside, immediately greeted by the warm, welcoming atmosphere.The interior of the pool hall was dimly lit, with strings of overhead lights casting a soft glow over the green felt of the pool tables. The air was thick with the scent of chalk and the faint aroma of cigarette smoke, a quintessential combination that instantly transported me back to my childhood spent at the neighborhood pool hall with my grandfather.As I scanned the room, I spotted my friends gathered around one of the tables, engaged in a heated game. They waved me over, and I quickly made my way through the maze of tables and chairs to join them. Greetings were exchanged, and I was promptly handed a cue stick and invited to participate in the next round.The next several hours flew by in a blur of friendly competition, laughter, and casual conversation. We traded stories, shared strategies, and occasionally engaged in a bit of playful trash talk as we took turns at the tables. The rhythmic sound of the balls colliding and the occasional shouts of triumph or groans of disappointment created a lively soundtrack to our evening.Between games, we would retreat to a nearby table, sipping on coldbeverages and munching on snacks from the small kitchen in the corner. It was during these breaks that we truly connected, sharing our thoughts, dreams, and experiences with one another. The pool hall had become a sort of sanctuary for us, a place where we could escape the stresses of daily life and simply enjoy each other's company.As the night wore on, the crowd in the pool hall began to thin out, with some patrons leaving and others arriving to take their places. But our group remained steadfast, determined to squeeze every last drop of enjoyment out of our evening. We played game after game, each one more intense and thrilling than the last.Finally, as the clock approached midnight, we reluctantly decided to call it a night. We gathered our belongings, shook hands, and made plans to return again soon. With a sense of contentment and camaraderie, we headed for the exit, stepping out into the cool night air.The journey back to my apartment was a quiet one, as I found myself reflecting on the evening's events. The pool hall had always been a special place for me, a hub of social interaction and friendly competition. But tonight, it had taken on an even deeper significance, serving as a gathering place for a group of friends who had forged a strong bond through the shared experience of the game.As I unlocked the door to my apartment and stepped inside, I couldn't help but feel a sense of gratitude for the connections I had made and the memories I had created. The pool hall had become more than just a place to play a game; it was a sanctuary, a haven where I could escape the stresses of the world and simply enjoy the company of those I cared about.And as I settled into bed, the familiar sounds of the pool hall still echoing in my mind, I knew that I would be back again soon, ready to embark on another journey filled with the thrill of competition, the warmth of camaraderie, and the enduring spirit of the game.。
机械类专业英语单词
⏹Unit1⏹lubricant:n.润滑剂⏹graphite :n.石墨⏹polymer :n.聚合材料,聚合体⏹cobalt:n. Co. 钴⏹foil n.箔,金属薄片⏹beverage can n.饮料罐⏹maganesium :n. Mg[化]镁⏹amorphous n.非晶体⏹chromium :n. Cr.铬⏹nick n.刻痕、缺口⏹dent n.凹、凹痕⏹valence n.(化合)价、原子价⏹photon n. [物]光子⏹piezoelectric n.压电晶体⏹superconductor n.超导体⏹sintering v.烧结⏹refractive index 折射率⏹degradation n.降级, 降格, 退化⏹modulus n.系数, 模数⏹covalent adj.[化]共有原子价的,共价的⏹covalent bond 共价键⏹matrix n.矩阵、基体⏹thermoset polymer 热固塑料⏹permeability n.渗透性⏹polyisobutylene n.[化]聚异丁烯⏹elastomeric adj.弹性体的⏹crystallinity n.结晶性、结晶度⏹molecular weight 分子量⏹hydrophilic adj.亲水的⏹hydrophobic adj.恐水的⏹die :n.模具⏹stress-strain 应力-应变⏹yield point:屈服点⏹tensile strength :抗拉强度⏹chlorine:n. cl,氯⏹nitrogen :n. N, 氮⏹be prone to :易于,有…的倾向⏹anodic:adj. 阳极的⏹cathodic :adj. 阴极的⏹polyester :n.聚酯⏹gasket:n.垫圈、衬垫⏹bronze :n.青铜⏹nickel silver :n.镍黄铜⏹coefficient of thermalconductivity:导热系数⏹coefficient of linearexpansion :线性热胀系数⏹thermostat:n.恒温器⏹resistivity :n.抵抗力、电阻系数⏹dielectric strength:绝缘强度⏹ferromagnetic :adj. 铁磁的、铁磁体⏹transmittance :n. 透射⏹reflectance :n. 反射比、反射系数⏹aluminum:n. Al. 铝⏹molybdenum:n.钼⏹tungsten :n.钨⏹silicon :n.硅⏹vanadium :n.钒⏹eutecoid :a.共析的⏹hypoeutectoid: a.亚共析的⏹hypereutectoid: a.过共析的⏹proeutectoid: a.先共析的⏹cementite :n.渗碳体⏹ferrite :n.铁素体Unit2 Heat Treatment of Matals⏹Centigrade degree :℃摄氏温度⏹Fahrenheit degree:℉华氏温度⏹etch v.蚀刻⏹nitric acid 硝酸⏹pearlite n.珠光体⏹microscopic examination 金相试验⏹hardening:v.淬火⏹hardenability :n.淬透性⏹quench:v.淬火⏹tempering :v.回火⏹martensite:n.马氏体⏹precipitation:n. 沉淀(物),析出(物)⏹agglomeration :n.凝聚、结块⏹coalescence :n. 聚集、合并⏹salt bath:盐浴⏹austemper:n. A(奥氏体)回火⏹martemper n. M(马氏体)回火⏹nitriding 渗氮⏹crystalline a.n.结晶的(体),晶体的⏹normalizing 正火⏹spheroidizing 球化处理⏹carburizing 渗碳⏹case hardening:表面硬化⏹carbonaceous :a.碳的,含碳的⏹charcoal n. 木炭⏹coke n.焦碳⏹carbonitriding:v. 碳氮共渗、氰化⏹ammonia n.氨水⏹cyaniding v.氰化⏹sodium cyanide 氰化钠⏹nitriding v.渗氮⏹Brinell n.布氏硬度⏹alkalie n.碱⏹crude oil:原油Unit3 Casting Processes⏹pour v.浇注⏹inject v. 注射、注入⏹mold n.模子,铸型⏹Cavity n. 型腔⏹bronze n. 青铜⏹brass n.黄铜⏹sprue n.浇注口、直浇道⏹runner n.横浇道⏹void n.空隙、缩孔⏹Shink n.收缩⏹flask n.长颈瓶, 烧瓶,砂箱⏹cope n.上箱⏹drag n.下箱⏹core print 型芯座、型芯头⏹gating system 浇注系统⏹Parting line 分型线、接合线⏹draft n. 拔模斜度⏹pouring cup 浇口盆⏹vent n.通风孔、排气孔⏹allowance n.余量、公差⏹bonded sand 粘砂⏹bentonite n.斑脱土、膨润土⏹mull vt.研磨⏹compaction n.压紧、紧实⏹alignment pin 定位销⏹concave a. n. 凹的、凹面⏹chill n. 激冷铸型、金属冷铸模、冷铁⏹bake v.烘焙、干燥⏹mate v. 配合、紧密结合⏹crucible n.坩埚⏹degas v. 脱气、排气⏹backflow v.回流⏹dendrite n.树枝状结晶⏹homogenous a.均质的⏹eutectic a.共晶的⏹vibrating table振动台⏹sand/shot blaster喷丸清理机⏹Oxide n.氧化物⏹investment casting熔模铸造⏹lost wax casting 熔模铸造、失蜡铸造⏹pharaoh n.法老王(古埃及君主的称号)、暴君⏹intricate a.复杂的、精致的⏹turbine blade涡轮叶片⏹refractory a.难溶的、耐火的⏹refractory slurry 耐火涂料⏹robust a.坚固的、耐用的⏹oven n.炉子、烤箱、加热室⏹undercut n.下陷、凹部⏹mold permeability 充型能力⏹stellite n.钨铬钴合金、硬合金⏹hastelloyn.镍基合金⏹close tolerance紧公差⏹centrifugal casting离心浇铸(注)法⏹inclusion n.夹杂物⏹surface finish表面精度⏹OD:outer diameter 外径⏹ID: inner diameter内径⏹boiler n.锅炉⏹flywheel n.调速轮⏹cylinder liner气缸套⏹axis-symmetric a.轴对称的⏹expendable a.一次使用的、消耗性的Unit4Forging Processes⏹item n.产品、零件⏹hammer blow锤打、锤击⏹power hammer动力锤⏹anviln.铁砧、砧座⏹semi-mechanized a.半机械化的⏹forging press 锻压机⏹quantity production 大量生产⏹open-die forging开模锻造⏹hammer forging锤锻⏹forging hammer 锻锤⏹closed-die forging闭模锻造⏹lateral a.横向的⏹upsetting n.钝锻、镦粗⏹die n.锻模⏹ram n.压头、顶杆⏹surface finish 表面光洁度⏹jet-aircraft 喷气式飞机(发动机)⏹hydraulic a.液压的、水压的⏹marine propeller 船用螺旋桨⏹shaft n.轴⏹drop-forge 落锤锻造、落锻⏹ingot n.钢锭、锭块⏹manipulaton n.操作、处理⏹crystal n.晶体、晶粒⏹finishing operation 最后(完成)工序⏹plating n.电镀⏹frame member 构件⏹recrystallization n.再结晶⏹forge hot 热锻⏹forge cold 冷锻⏹blacksmith n.锻工、铁工⏹impression die forging 模锻⏹die forging 模锻⏹die impression 刻印模、槽模⏹forging die 锻模⏹principal stress 主应力⏹press forging 压锻⏹upset forging 顶锻(镦粗)⏹bolt n.螺钉⏹fastener n.紧固件⏹roll forging 滚锻⏹leaf spring 板簧、片簧⏹swaging 型锻、模锻⏹net shape forging 净形锻造⏹blank 毛坯、坯体⏹tooling v. 加工⏹capital expenditure 基本建设费用、资本支出⏹thrust force 推力⏹rib n.肋板⏹shift n.移动、变化⏹round off 修整⏹lateral a.横向的、侧面的⏹stress-raiser 应力集中源⏹match v. n.配合、装配⏹powder metallurgy 粉末冶金⏹sintering v.烧结⏹compact v.压紧、塞满n.压制品、压块⏹coalesce n.熔合⏹compaction n.压紧⏹ferrous a.铁的、含铁的⏹nonferrous a.不含铁的、非铁的⏹ferrous metal 黑色(铁类)金属⏹nonferrous metal 有色金属⏹controlled atmosphere furnace保护气体炉、可控气氛炉Unit5 Powder Metallurgy⏹structural components 构件、结构零件⏹homogeneous a. 均匀的、相似的⏹compromise n. v.折衷、妥协⏹segregate v.隔离⏹dusting n.清扫、除尘⏹consolidation n. 压实、凝固、加强⏹elevated a.升高的、提高的⏹Whilst conj.时时、同时⏹bush n.轴瓦、衬套、轴套⏹bearing n.轴承⏹uniaxial a. 单轴的⏹atomize v.打碎、使成微粒、使雾化⏹elemental a.基本的、元素的、单体的⏹lithium n.[化]锂⏹stearate n.[化]硬脂酸盐⏹of say 比方说、大约、估计、假定⏹isostatic a.均衡的、等压的⏹membrane n.膜、隔膜⏹billet n.坯段⏹rectification n.校正、调整、清除⏹encapsulate v.封装、压缩⏹evacuate v.抽空、排空、搬空⏹contamination n.污染、污染物⏹densification n.压实、密封、稠化⏹yield strength 屈服强度⏹enclosure n.围住、盒子、外壳⏹metal injection moulding 金属注塑(射)成型⏹screw thread 螺纹⏹moulded plastic 模压塑料⏹skeleton n.骨骼、骨干、基体⏹impregnate v.注入、灌注、浸透⏹infiltrate v.渗透⏹cemented a.渗碳的、烧结的⏹thermoplastics n.热塑性塑料⏹thermosetting plastic 热固性塑料⏹elastomer n.人造橡胶⏹reciprocating a.往复的、来回的、摆动的⏹extruder n.压出机、挤压机⏹resin n.树脂v.涂树脂于⏹granule n.颗粒、细粒⏹eject v.驱逐、逐出、喷射⏹plunger n.活塞⏹stuffing n.填充物、填塞料⏹patent v.取得…的专利n.专利⏹celluloid n.赛璐珞、明胶Unit6 Injection Moulding⏹thermoplastics n.热塑性塑料⏹thermosetting plastic 热固性塑料⏹elastomer n.人造橡胶⏹reciprocating a.往复的、来回的、摆动的⏹extruder n.压出机、挤压机⏹resin n.树脂v.涂树脂于⏹granule n.颗粒、细粒⏹eject v.驱逐、逐出、喷射⏹plunger n.活塞⏹stuffing n.填充物、填塞料⏹patent v.取得…的专利n.专利⏹celluloid n.赛璐珞、明胶⏹encyclopedia n.百科全书⏹HDPE——high densitypolyethylene 高密度聚乙烯⏹rheology n.流变学、流变能力⏹margin n.利润⏹skimpy a.不足的、吝啬的⏹mat n.垫子、席子⏹analogy n.模拟、类似⏹fluidity n.流动性⏹entity n.实体⏹crystalline n.晶体⏹amorphous n.非晶体⏹solvent a.溶解的n.溶剂⏹polycarbonate n.[化]聚碳酸酯⏹opaque a.不透明的、不传热的⏹transparent a.透明的⏹chop v.剁碎、砍n.砍、排骨⏹clamp n.夹子、夹具v.夹紧⏹viscous a.粘性的、粘滞的⏹spine n.脊柱、中心⏹knockout n.脱模、脱壳、脱模机⏹bin n.容器、箱子⏹viscosity n.粘滞、粘性⏹orientation n.取向、方向、定位⏹shear thinning 剪切变稀,使界层内剪力变小⏹crystallinity n.结晶度、结晶性⏹overpack n.第二层包装⏹inhibit v. 抑制、约束⏹susceptibility (to) n.敏感性、灵敏度⏹stress crack 应力裂纹⏹transverse a.横向的、横断的⏹superimpose v.添加、双重、叠加、安装、配合⏹superimpose a.成阶层的、有层理的⏹biaxial a.二轴的⏹obstruction n.阻塞、妨碍、障碍物⏹molecular weight 分子量⏹process variable 工艺参数⏹tensile strength 抗拉强度⏹conveyor n.输送机、传送带⏹flash n. 余料、(模塑)溢料、(模锻)飞边、毛边⏹foam n.泡沫塑料⏹reground a.重新研磨的⏹elaborate a.精细的、精心制作的⏹hydraulics n.水力学⏹in attendance 负责、值班⏹warpage n.翘曲、扭曲、热变形⏹render v.致使、给予⏹cross-disciplinary 交叉学科的⏹lead time 订货至交货的时间⏹debugging n.调试Unit7 METAL CUTTING⏹machine tool 机床⏹rake angle (刀具)前角⏹rake face 前刀面⏹tip n.顶、尖端、末端⏹normal a.正交的、垂直的⏹dissipation n.消散、分散⏹mild steel 软钢、低碳钢⏹clearance angle 后角⏹flank face 后刀面⏹rub v.擦、摩擦⏹spoil v.损坏、破坏⏹feed rate 进给量⏹chip n.切屑、碎片⏹schematically adv.图解地、图示地⏹shear zone 剪切区域⏹yielding n.屈服、变形⏹chip curl 切屑螺旋、螺旋形切屑⏹strain n.应变、张力v.拉紧、扯紧⏹slip plane 滑移面、滑动面⏹categorise v.分类⏹BUE-built up edge 积屑瘤⏹shear strength 抗剪强度⏹dislodge v.驱逐、移走⏹planar a.平面的、平坦的⏹vector n.矢量⏹cater v.满足、迎合⏹fluctuation n.波动、起伏⏹coefficient n.系数⏹dissipate v.驱散、消散⏹geometry n.几何学⏹turning n.车削⏹nose radius 刀尖半径⏹surface geometry 表面几何图形⏹rigidity n.刚性、硬度⏹vibration n.振动⏹exert v.施加⏹equation n.方程式、等式、公式⏹erroneously adv.错误地、不正确地⏹coolant n.冷却液、冷却剂⏹investigation n.调查、研究⏹asperity n.微粒、凹凸不平⏹capillary n.毛细管 a.毛细作用的Unit8 Grinding⏹abrasive wheel 砂轮、磨轮⏹miniature a.缩小的、微型的⏹cutting edge 切削刃、刃口、刀刃⏹finishing process 精加工、最后的工序⏹cylindrical grinding machine外圆磨床⏹surface grinding 平面磨削⏹planer 刨工、刨机⏹reciprocating adj.往复的、来回的⏹planer-type reciprocating table刨床式往复工作台⏹periphery n.外围⏹fixture n.工作夹具⏹strap n.带、皮带,v.用带捆扎⏹strap clamp 带夹⏹clamping strap 夹板、压板⏹depth of cut 切削深度、背吃刀量⏹plunge-cut 切入式(横向进给)磨削⏹internal grinding 内圆磨削⏹planetary internal grinding 行星内圆磨削⏹rest blade 托板⏹cross feed 横向进给⏹longitudinal feed 轴向(纵向)进给⏹peripheral velocity 圆周速度⏹spin v. n. 旋转⏹centerless grinding 无心磨削⏹clog n. v.障碍、阻塞⏹recessed wheel 槽式轮⏹slotting 开槽、打孔⏹straight cup wheel 直角碗形砂轮⏹flaring cup 杯形(碗形)砂轮⏹emery n.金刚砂⏹corundum n.刚玉、金刚砂⏹carborundum n.碳化硅、金刚砂⏹silicate n.硅酸盐⏹resinoid n.树脂⏹shellac n.虫漆、虫胶⏹oxychloride n.氯氧化物Unit9 Lapping and Polishing⏹lap n.研磨盘、研具⏹close fit 紧配合、过盈配合⏹piston n.活塞⏹cylinder n.气缸、圆筒⏹plateau n.高地、高原⏹mountain range 山脉⏹grind down 磨平、碾碎⏹electropolishing 电解抛光⏹ion n.离子⏹electrolysis n.电解⏹electrolyte n.电解、电解液⏹film n.薄膜、膜层v.在…上覆以薄膜⏹dissolution n.分解、解散⏹depression n.凹陷处、坑、洞、低气压⏹projection n.凸出物⏹anodic a.阳极的⏹cathodic a.阴极的⏹stock n.原料、材料⏹chemical mechanical polishing化学机械抛光⏹integrated circuit 集成电路⏹wafer n.晶片、圆片⏹resilient a.弹回的、有回弹力的⏹pad n.垫、衬垫⏹reagent n.试剂、反应物⏹oxidation-reductive reaction氧化还原反应⏹desorption n.解吸附作用Unit10 Surface Engineering⏹tailor…to 适应(满足)…的要求⏹covering the surface 表面涂覆⏹resistivity n.电阻率⏹conversion coating 转化膜⏹thermal spraying 热喷涂⏹hot dipping 热浸、热镀⏹deposit v.沉淀、涂、喷镀⏹substrate n.基体、衬底⏹ionic a.离子的⏹nugget n.天然金块、矿块⏹ripple n.波纹,起波纹⏹replenishment n.补给、补充⏹potential n.潜能、电压 a.势的、位的⏹gun n.喷射器⏹PVD—Physical VaporDeposition 物理气相沉积⏹CVD—chemical VaporDeposition 物理气相沉积⏹conical a.圆锥的、圆锥形的⏹thermal evaporation 热蒸发(镀膜)⏹fragile a.易碎的、脆的⏹line of sight 视线、瞄准线⏹jet engineer n.喷气发动机⏹sputtering n.阴极真空喷镀、阴极溅镀⏹donor n.原料物质、杂质⏹atomise v.使分裂为原子,将…喷成雾状⏹radio-frequency sputtering 射频溅射⏹titanium nitride 氮化钛⏹volatilize v.挥发⏹decompose v.分解、使腐烂⏹nickel carbonyl 羰基镍⏹altering the surface 表面改性⏹electron beam treatment 离子束表面改性⏹ion implantation 离子注入⏹impinge v.撞击⏹coil n.线圈⏹lattice n.晶格⏹vacuum chamber 真空室、压力室⏹laser beam treatment 激光表面改性⏹dosage n.剂量、用量Unit11 Lathe and Turning⏹turning v.车削⏹lathe n.车床⏹engine lathe 普通车床⏹toolroom lathe 多轴车床⏹turret lathes 六角转塔式车床⏹vertical turning and boring mill旋转立式车床⏹grey cast iron 灰口铸铁⏹nodular cast iron 球墨铸铁⏹damp v.阻尼、衰减、抑止⏹headstock n.主轴箱⏹spindle n.主轴⏹carriage n.车架、床鞍⏹gearbox n. 变速箱⏹tool post 刀架、刀座⏹compound rest 复式刀架、(车床)小刀架⏹carriage (车床的)托板、溜板⏹tailstock n.尾架⏹quill n.主轴、套筒轴⏹tailstock quill 尾架顶尖套筒轴⏹face plate 划线平台、划线平板⏹nut n.螺母⏹guideway 导轨、导槽⏹twist drill 麻花钻⏹apron n.溜板箱⏹nose radii 刀尖半径⏹shank n.刀柄、刀把⏹lead screw 丝杠⏹feed rod 进给杆、光杆⏹HSS—high speed steel 高速钢⏹braze v.铜焊、钎焊⏹worm gear 涡轮⏹annular grooves 环形槽⏹trapezoidal adj.梯形的⏹thread form 牙形⏹clamp n.夹具、夹钳,v.夹紧⏹washer n. 垫圈⏹ribbon n.带子⏹cemented carbide 硬质合金、烧结碳化物⏹chip breaker 碎屑装置⏹seat n.刀座⏹contouring 仿形加工⏹helix n.螺旋、螺旋状物⏹pitch n.螺距⏹cross slide 横向拖板⏹shoulder n.轴肩⏹periphery n.外围⏹spiral n.螺旋 a.螺旋形的⏹crank v.转动曲柄⏹chuck n.卡盘v.用卡盘夹⏹apex n.顶点⏹stroke n.行程⏹disengagement n.脱离⏹kinematic adj.运动学的⏹gear train 轮系⏹knurling 滚花⏹file n.锉刀v.锉⏹guidelines n.指导方针⏹HSS:high-speed-steel 高速钢Unit12 Drilling and Milling⏹drilling n.钻孔、钻削⏹milling n.铣削⏹hand drill 手钻⏹drilling machine 钻床⏹flute n.凹槽⏹coolant n.冷却液⏹Shank n.手柄、柄部⏹wedge action 楔紧作用⏹socket n.孔、牙槽⏹tang n.扁尾、柄脚、刀柄⏹slot n.缝、狭槽,v.开槽于⏹chisel-like n.凿子,v.砍凿⏹chisel-like edge 横刃⏹twist drill 麻花钻⏹margin n.边缘、边界、空白⏹core drill 空心钻⏹conduit n.管道、导管⏹gun drill 深孔钻、枪孔钻⏹trepanning 开孔、打孔、钻眼⏹spade drill 扁钻⏹tangible adj.切实的⏹boring n.钻孔、镗孔⏹milling cutter 铣刀⏹helical a.螺旋状的⏹rake angle 前角、刀面角⏹relief angle 后角⏹versatile adj.通用的、万能的⏹up milling 逆铣⏹down milling 顺铣⏹backlash eliminator 齿隙消除器⏹horizontal milling machine卧式铣床⏹vertical milling machine 立式铣床⏹arbor n.轴、心轴⏹slitting saw 切割锯,开槽锯⏹spline n.花键、键槽,v.开键槽⏹dovetail groove 燕尾槽⏹rachet wheel 棘轮⏹gear hob 齿轮滚刀、滚齿刀⏹convex adj.凸起的⏹concave adj. 凹入的,n.凹、凹面⏹sintered carbide 烧结碳化物、硬质合金⏹heavy cuts 重切削、强力切削Unit13 JIGS AND FIXTURES⏹jigs n.钻模、夹具⏹fixture n.夹具⏹rib n.肋板⏹reamer n.绞刀⏹interchangeable a.可互换的⏹spare part n.备件⏹clearance n.间隙、距离⏹observance n.习惯、惯例⏹encroach v.侵占、超出界限⏹mutually adv.互相地、互助⏹translation n.平移⏹tap v.攻螺纹⏹bushing n.轴套、衬套⏹flange n.凸缘、法兰v.给…装凸缘⏹post n.杆、柱⏹drill plate 钻模⏹tenon n. [木工] 榫,凸榫,v. 造榫,榫接Unit14 LIMITS AND TOLERANCES⏹limit n.极限⏹tolerance n.公差⏹assembly drawing 装配图⏹detail drawing 零件图、详图⏹conversant adj.熟悉的、精通的⏹trigonometric adj.三角法的⏹unilateral adj.单边的⏹bilateral adj.双边的⏹interchangeability n.互换性⏹component part 零件、部件⏹individual part 单个零件⏹mating parts 配合件⏹tolerance zone 公差带⏹interference n.干涉、过盈⏹blanket note 注释⏹allowance n.允差⏹nominal size 名义尺寸、基本尺寸⏹force fit 压入配合⏹imperfection n.不完整性、非理想性⏹clearance fit 间隙配合⏹transition fit 过渡配合⏹interference fit 过盈配合⏹shaft-basis system 基轴制⏹hole-basis system 基孔制⏹horology n.钟表学Unit15 Unconventional Machining Processes(Ⅰ)⏹ultrasonic machining 超声波加工⏹electron-beam machining 电子束加工⏹plasma-jet machining 等离子喷射加工⏹etch v.蚀刻⏹electric current 电流⏹discharge n. v.放电⏹EDM:electro-dischargemachining 电火花加工⏹erode v.腐蚀、侵蚀⏹dielectric n.电介质,绝缘体,adj.非传导性的⏹reservoir n.水库、蓄水池⏹foul adj.淤塞的、肮脏的⏹debris n.碎片,残骸⏹capacitor n.电容器⏹servomechanism n. 伺服机构(系统), 自动控制装置⏹erode vt.侵蚀,腐蚀,vi.受腐蚀⏹ECM:electrochemicalmachining 电化学加工⏹electrolytic adj.电解的,由电解产生的⏹electrolyte n.电解、电解液⏹profiling n.压型、仿形加工⏹chloride n.[化]氯化物⏹chloride sodium n.[化]氯化钠⏹nitrate n.[化]硝酸盐、硝酸钾⏹sodium nitrate n.[化]硝酸钠⏹turbine blade 涡轮叶片⏹jet-engine n.喷气发动机⏹forging-die 锻模⏹die sinking 加工模腔、开模、制阴模⏹burr n.毛口、毛头v.去毛刺、磨光毛口⏹deburring n.修边、去除毛刺、倒角⏹oscillation n.振动⏹transducer n.变频器、换能器、传感器⏹amplitude n.振幅⏹of the order of 达到…的数量或程序⏹oscillate v.振动、振荡⏹concentration n.浓度⏹crater n.弹坑Unit16 Unconventional Machining Processes(Ⅱ)⏹laser beam machining 激光加工⏹coherent light beam 相干光束⏹amplification n.放大、扩大⏹stimulated emission 受激发射⏹coherency n.相干性⏹diverging angle 发散角⏹mrad:millirad (辐射吸收剂量单位)毫拉德⏹divergence n.发散性⏹bleeder hole 排气孔⏹fuel pump 燃油泵⏹hub n.轮毂、轴套⏹vane (螺旋浆等的)翼、叶片⏹flash lamp 闪光灯、光泵⏹focal length 焦距⏹tribological a.摩擦学的⏹punch n.冲压机、冲床v.冲孔⏹stylus n.铁笔⏹scroll roll 卷辊⏹stamping n. v.冲压⏹engraving n.雕刻术、雕版⏹vacuum chamber 真空室、压力室⏹kerf n.切口、截口⏹water-jet machining 水喷射加工⏹momentum n.动力、动量、冲量⏹gas turbine 燃气涡轮⏹hydrodynamic a.水利的、水压的⏹deburring n.修边、去毛刺⏹saw n.锯⏹jet-nozzle 喷嘴、喷射管⏹vinyl n.乙基烯、乙烯树脂⏹foam n.泡沫、泡沫塑料⏹dashboard n.仪表板、挡泥板⏹abrasive water-jet machining磨料喷射加工⏹ruby n.红宝石⏹sapphire n.蓝宝石、刚玉、青玉⏹photochemical machining 光化学加工⏹photoetching 光刻⏹photoresist n.感光树脂、光刻胶、光致抗蚀剂⏹etching n.蚀刻、蚀刻法⏹photo-tool 光刻掩模⏹film n.薄膜、胶片、膜层⏹developer n.显影、显影剂⏹irradiate v.照射⏹actinic a.光化的、光化学的⏹ultraviolet a.紫外线的、紫外的n.紫外线辐射⏹ultraviolet light 紫外线⏹laminate v.碾压、把…压成薄片⏹negative-working photoresist负性感光胶⏹emulsion n.感光乳剂⏹stencil n.模版、蜡纸⏹aperture n.孔、穴、缝隙⏹hydrochloric a.盐酸的⏹alphanumeric a.文字数字的。
Casting Processes
Manufacturing Processes for Engineering Materials, 5th ed. Kalpakjian • Schmid © 2008, Pearson Education ISBN No. 0-13-227271-7
Manufacturing Processes for Engineering Materials, 5th ed. Kalpakjian • Schmid © 2008, Pearson Education ISBN No. 0-13-227271-7
Alloy Solidification & Temperature
FIGURE 5.3 Phase diagram for nickel-copper alloy system obtained by a low rate of solidification. Note that pure nickel and pure copper each have one freezing or melting temperature. The top circle on the right depicts the nucleation of crystals; the second circle shows the formation of dendrites; and the bottom circle shows the solidified alloy with grain boundaries.
Manufacturing Processes for Engineering Materials, 5th ed. Kalpakjian • Schmid © 2008, Pearson Education ISBN No. 0-13-227271-7
描写冰的句子短句唯美英文(精选两篇)
描写冰的句子短句唯美英文(篇一)1. The icy touch of winter pXXnts the world in a different hue.2. Frozen crystals dance in the XXr, creating a stunning winter scene.3. The serene beauty of ice captivates the heart on a frosty morning.4. Delicate frost patterns etch an intricate masterpiece on every surface.5. The cold embrace of ice awakens the senses and invigorates the soul.6. Ice glimmers like a thousand diamonds under the pale winter sun.7. Frost-kissed landscapes evoke a sense of awe and wonder.8. Crystal-clear icicles dangle from eaves, catching the light with dazzling brilliance.9. Each snowflake is a unique work of art, falling softly to join its icy brethren.10. The frozen pond becomes a mirror, reflecting the stillness of the winter sky.11. Frosty breath hangs in the XXr, a testament to the frigid beauty that surrounds us.12. Winter's icy grip transforms the world into a frozen wonderland.13. Ice-covered branches glisten and sway like delicate ballet dancers.14. Frozen lakes offer a tranquil escape, where time seems to stand still.15. Snowflakes whirl and twirl, pXXnting the landscape in a soft blanket of white.16. The ethereal beauty of frost creates a magical atmosphere, as if in a fXXrytale.17. Ice sculptures adorn the gardens, each one a testament to human creativity.18. The crisp XXr tingles with the promise of a winter wonderland.19. Frozen waterfalls cascade down cliffs, sparkling in the sunlight.20. Winter's chill bites at the skin, reminding us of the raw power of nature.21. Frost encrusts everything, lending an XXr of enchantment to the world.22. Nightfall transforms the ice into a shimmering sea of stars, illuminating the darkness.23. Frozen lakes become a playground for skaters, gliding effortlessly across the glassy surface.24. A delicate layer of frost delicately outlines the contours of nature's creations.25. Pristine snow blankets the ground, muffling the sounds of the outside world.26. Ice-covered trees create a hauntingly beautiful silhouette agXXnst the winter sky.27. The delicate beauty of ice serves as a reminder of nature's incredible artistry.28. Winter's icy touch leaves its mark on every surface, as if pXXnting with a frosty brush.29. Snow-capped mountXXns beckon adventurers to explore their majestic peaks.30. Frosty mornings invite us to pause and appreciate the simple pleasures of life.31. The crunch of snow underfoot is like a symphony of winter's arrival.32. The frigid XXr engulfs us, awakening a sense of exhilaration within.33. Ice sculptures seem to come to life with a touch of imagination and creativity.34. Frozen ponds transform into a euphony of laughter and joy as children skate and play.35. Winter's breath freezes time, allowing for a moment of introspection and reflection.36. Crystal-clear ice reflects the colors of the sunrise, pXXnting the sky in a mesmerizing palette.37. Snow-covered rooftops create a picturesque scene strXXght out of a storybook.38. The landscape is a winter wonderland, where dreams and reality intertwine.39. Ice formations drip and sparkle, creating a symphony of sight and sound.40. Winter winds whistle through icy forests, carrying tales of long-forgotten legends.41. Frozen rivers wind their way through the countryside, silent witnesses to the passage of time.42. The magic of winter lies in the delicate balance of warmth and cold, light and darkness.43. Icicles hang like delicate chandeliers, adding a touch of elegance to the winter scene.44. Each step on the icy ground is a reminder of the fragility and resilience of nature.45. Frost-covered fields transform into a panorama of glistening diamonds, as far as the eye can see.46. The stillness of winter invites us to appreciate the simple beauty that surrounds us.47. Snowflakes fall gracefully from the sky, nature's delicate confetti celebrating the season.48. Frozen waterfalls become cascades of icy sculptures, frozen in time and beauty.49. A sense of tranquility settles over the landscape, as if nature is in deep slumber.50. Winter's cold embrace is a reminder of the fleeting nature of life, urging us to seize the present moment.51. Ice crystals cling to grass blades like delicate ornaments, adding a touch of magic to the scenery.52. Winter's frost pXXnts a delicate lace curtXXn on windows, offering glimpses of the outside world.53. The silence of a snowy landscape is a symphony in itself, a reminder of the serenity found in solitude.54. Ice-covered lakes mirror the surrounding beauty, doubling the enchantment of winter.55. Frozen tears sparkle on cheeks, capturing the emotions frozen in time.56. Winter's chill spreads a blanket of tranquility over the land, inviting quiet contemplation.57. Each snowflake, like a tiny miracle, reminds us of the extraordinary beauty in the ordinary.58. Mother Nature's icy touch transforms ordinary objects into extraordinary works of art.59. Frost-covered leaves create a delicate mosXXc of textures and colors, inviting closer inspection.60. The world is a canvas, and winter's frost is the artist's brush, creating extraordinary masterpieces.61. The dance of snowflakes is a silent ballet, mesmerizing all who witness its ethereal beauty.62. Winter's cold breath whispers secrets in the wind, telling tales of distant lands and forgotten dreams.63. Ice-covered bridges connect worlds, awakening a sense of adventure hidden deep within.64. Frost patterns on windows tell stories of winter's whims, intricate and ever-changing.65. Crystal-clear icicles drip in slow motion, as if time itself has frozen in its tracks.66. The crisp XXr carries the scent of winter, crisp and invigorating, awakening the senses.67. Snow-covered rooftops and chimneys create a scene strXXght from a heartwarming holiday movie.68. Fragile ice formations cling to branches, as if nature is sculpting its own masterpiece.69. Winter snowstorms create a symphony of swirling flakes, obscuring the world ina serene haze.70. The beauty of ice lies in its transitory nature, a reminder to cherish and appreciate the present moment.请注意,由于篇幅限制,上述句子数量仅为70句。
冷铁 chill(中英文对照)
冷铁英文名称:chill1、简介产品名称:冷铁制造工艺:冲压,成形,锻造,车削,铸造或焊接其它名称:内外冷铁,插片冷铁,冷却钉,螺旋状内冷铁,马蹄钉和铸造钉冷铁由镀锡或涂敷防粘膜稀浆的低碳钢或线材加工而成,并且可以加工成各式各样的形状和尺寸。
无论是马蹄钉还是直杆钉都可以作为冷铁使用。
在铸造生产中,冷铁被用来控制收缩和获得定向凝固。
外冷铁放在模子中顶着铸件壁。
内冷铁被压进型芯,或模壁,这样它们的一大部分就可以伸进模穴,从而达到预期的效果。
1, IntroductionProduct Name: cold ironManufacturing process: stamping, forming, forging, machining, casting or weldingOther names: internal and external iron chill, insert the cold iron nail, cooling, helical internal chill casting, horseshoe nails and nailCold iron tin or coated by anti mucosal slurry of low carbon steel or wire processing, and can be processed into every kind of shape and size. Both nail or nail straight rod can be used as cold iron. In foundry production, cold iron is used to control the shrinkage and directional solidification. Cold iron on the top wall of mold casting. The cold iron is pressed into the core, or die wall, so one of their most can into the mold cavity, so as to achieve the desired effect.2分类为增加铸件局部冷却速度,在型腔内部及工作表面安放的金属块称为冷铁。
din1688
[ Material database| General technical information]Tolerances for aluminium castingsAs is generally known, all series products are subject to procedural and technical tolerances. In the aluminium casting technique these tolerances result from the moulds, the alloys and the casting procedure.Aluminium alloys to DIN 1725 are used by BOPLA for its enclosures.Tolerances for Pressure Dia-Castings (DIN 1688, Page 4)In pressure-die cast parts in light metal alloys the deviations in dimensions are mainly dependent on:a.the exactitude of the dimensions and function of the mould, which in turn ischaracterised by the degree of exactitude ofb.the position of the mould division, characterised by the subdivision into shape-relatedand non-related dimensions (see DIN 1680, Page 1)c.the shape or size of the casting, characterised by the spatial diagonals andd.the nominal dimensions.Determining the Spatial DiagonalsThe spatial diagonal R is that between the extreme points of the casting.It is calculated from the nominal dimensions of the prismatic body, which delimits the casting, whatever its shape.Toleraces for Pressure Die Castings (DIN 1688, Page 4)Table 1.Tolerances of Dimensions not related to the Shape, lengthwise dimensions (lengths, widths, heights, central distances, diameters, roundings)Table 2.Tolerances of Dimensions not related to the Shape for Thickness (wall thickness, ledges, ribs)Shape-related dimensions are those in the same part of the tool;Not shape-related dimensions are those created by the interaction of mobile tool components, e.g. wall thicknesses and base thicknesses or dimensions affected by additives or extenders.Tolerances for Chill Castings (DIN 1688 T.3)In the case of raw castings made of light metal alloys in the chill casting process all deviations in dimensions are essentialy dependent on:a.the exactitude of the dimensions of the mould, characterised by the degree ofexactitudeb.the position of the mould division, cores, extenders, characterised by the subdivisioninto shape-related and not shape-related dimensions (see DIN 1680 Part 1)c.the nominal dimensions.Table 1.Deviations in lengthwise dimensions (lengths, widths, heights, central distances, diameters, roundings)Table 2.Deviations in Thicknesses (wall thicknesses, ledges, ribs)Shape-related dimensions are those in the same parts of the tool.Not shape-related dimensions are those created by the interaction of mobile tool components, e.g. wall thicknesses and base thicknesses, or dimensions that are affected by additives or extenders.。
铸造缺陷中英文对照
A 。
尺寸,形状缺陷铸造缺陷casting defects尺寸超差impropershrinkage allowance尺寸不合格wrong size模样错误excess rappingof pattern,deformed pattern, pattern error 壁厚不均differentthickness铸型下垂mold sag错型mold shift,shift,miss—match,cross—joint舂移ram off,ramaway塌型mold drop,drop off, drop out,drop sticker上型下沉,沉芯sag(上型和型芯下垂导致壁厚减小)飞翅fins,joint flash翘曲warp age,buckling, warping,camber铸件变形warped casting挤箱push up,cramp-off型裂broken mold,cracked掉砂crush ofmold,crush变形deformation,casting distortion, warped castingB.缩孔(由凝固收缩引起)缩孔shrinkage,shrinkaged cavity内部缩孔internalshrinkage,dispersed shrinkage,blind shrinkage敞露缩孔open shrinkage,external shrinkages,sink marks, depression缩松porosity, shrinkage porosity,leakers, micro shrinkage, disperded shrinkage缩陷sink marks,draw,suck-in芯面缩孔core shrinkage内角缩孔cornershrinkage,fillet shrinkage出汗孔extruded bead,exudation线状缩孔fissure likeshrinkageC.气体缺陷(由气体引起的孔)气孔blowholes,gas hole, blow针孔pinholes裂纹状缺陷,线状缺陷fissure defectsD.裂纹裂纹crack缩裂shrinkage crack季裂seasoncracking, season crack应力热裂hot cracking,hot tearing,hot tear淬火裂纹quench crack,quenching crack应力冷裂cold cracking,breakage, cold tearing, cold tear龟裂crack激冷层裂纹,白裂chill crackE.夹杂物夹渣slaginclusion, slag blowholes砂眼sandinclusion, raised sand, sand hole其他夹杂物the other inclusion胀砂push up,cramp-off,sand hole掉砂crush, crushof mold硬点hard spot浮渣dross ( 浇注后在铸型内形成的缺陷,尤其是石墨、氧化物和硫化物的线状缺陷的总称,另外,浇注过程中被卷进去的缺陷成为夹渣和砂眼,两者的区别是形成原因不同)石墨浮渣graphite dross,carbon dross氧化皮夹渣oxide dross,oxideinclusion,skins,seams硫化物熔渣sulfide dross沉淀物sludge夹渣物sand inclusion,oxide inclusion, skins,seams黑点,黑渣black spots,lustrous carbon涂料夹渣blacking,refractory coating inclusions光亮碳膜lustrous carbonfilms, kish tracksF。
靠着壁炉的英语
靠着壁炉的英语The warmth of the fireplace radiated through the room, casting a cozy glow on the worn-out furniture. The crackling logs whispered stories of the past, inviting one to sit and listen.A soft blanket draped over the armchair, inviting me to snuggle in. The scent of burning wood mingled with the musty air, a comforting aroma that felt like home.Outside, the wind howled, but here, by the hearth, I felt a sense of tranquility. The flickering flames danced on the walls, painting shadows that seemed to tell their own tales.As the evening wore on, the fire's glow softened, and the room grew quieter. The gentle heat from the embers was a lullaby, soothing the day's worries to sleep.The fireplace was not just a source of heat; it was the heart of the home, a place where family gathered, stories were shared, and memories were made.In the quiet moments, with only the fire's soft pop and hiss, one could find solace. It was a sanctuary, a place to reflect and dream.The fire's light played tricks, casting long shadows that seemed to breathe life into the room's inanimate objects. Itwas as if they too had stories to tell.As the night deepened, the fire's warmth became a guardian, keeping the chill at bay. It was a constant, a reminder that no matter the season, there was always a place of warmth and comfort.In the end, the embers would fade, but the memories of evenings spent by the fireplace would remain, a testament to the enduring charm of a simple hearth.。
为你我受冷风吹相关文案
为你我受冷风吹相关文案英文回答:In the tapestry of life, woven with threads of joy and sorrow, love's flame flickers, casting an ethereal glowupon our hearts. As I venture forth into the icy embrace of winter's chill, your memory serves as a beacon of warmth, a constant companion on this solitary journey.Through howling winds and frigid nights, I bear thecold with a resolute spirit, for it is in your absence that I find solace. The pain of longing transforms into a bittersweet elixir, reminding me of the depths of our connection.Like a solitary star piercing the darkness, your image illuminates the path before me. Amidst the desolate expanse, I am guided by the memory of your laughter, your gentle touch, and the way your eyes sparkled with life.And so, I embrace the cold, for it is a crucible that tests the mettle of my love. Each icy breeze whispers your name, carrying me closer to the moment when we shall be reunited.In the stillness of the winter night, I seek solace in the symphony of the wind. Its mournful strains resonate with the ache of my heart, yet I find a strange solace in this symphony of sorrow.As the moon casts its ethereal glow upon the snow-covered landscape, I imagine us walking hand in hand, our breath mingling in the frosty air. Your presence, though distant, remains ever present in my thoughts, a constant reminder of the love that binds us together.Through the long winter months, I will cherish the memories of our time together, like a precious jewel kept safe within the depths of my heart. And when spring finally arrives, I will emerge from this season of solitude with a renewed appreciation for the power of love—a love that has weathered the storms of absence and emerged triumphant.中文回答:为你去承受冬日的凛冽,在寒风中感受你的温度。
夜色难免微凉前行必有曙光申论英语作文
全文分为作者个人简介和正文两个部分:作者个人简介:Hello everyone, I am an author dedicated to creating and sharing high-quality document templates. In this era of information overload, accurate and efficient communication has become especially important. I firmly believe that good communication can build bridges between people, playing an indispensable role in academia, career, and daily life. Therefore, I decided to invest my knowledge and skills into creating valuable documents to help people find inspiration and direction when needed.正文:夜色难免微凉前行必有曙光申论英语作文全文共3篇示例,供读者参考篇1The Night May Be Chilly, But Dawn Will ComeAs I sit here late at night, the world outside my window is cloaked in darkness. The inky blackness seems to stretch endlessly, enveloping everything in its cold embrace. A shiverruns down my spine as a gust of wind rattles the trees, their bare branches creaking like arthritic fingers. In moments like these, it's easy to feel small and insignificant, a mere speck in the vast expanse of the universe.But then I remember the wise words my grandfather once shared with me: "The night may be chilly, but dawn will come." Those simple words have become a mantra of sorts, a reminder that even in our darkest hours, there is always hope for a brighter tomorrow.Life is a constant ebb and flow, a cyclical journey through highs and lows, triumphs and tribulations. Just as the night inevitably gives way to the day, our struggles and challenges are merely temporary setbacks, obstacles to be overcome on the path to greater things.I think back to the times when I've felt the weight of the world bearing down on my shoulders, when the pressures of school, relationships, and personal growth threatened to overwhelm me. In those moments, it was all too easy to succumb to despair, to believe that the darkness would never lift.Yet, time and time again, I've witnessed the first tentative rays of dawn peeking over the horizon, casting a warm glow that gradually banishes the shadows. With each new day comes thepromise of renewal, a chance to start anew, to learn from the past and forge ahead with renewed vigor.This cycle of darkness and light is not unique to our individual experiences; it permeates every aspect of human existence. Throughout history, civilizations have endured periods of great hardship and turmoil, only to emerge stronger and more resilient on the other side.Consider the Renaissance, a cultural awakening that followed the Dark Ages, a time when ignorance and superstition held sway. Or the Civil Rights Movement, a beacon of hope and progress in the face of systemic oppression and injustice. Even in our darkest collective moments, the human spirit has shown an remarkable ability to persevere, to adapt, and to ultimately triumph over adversity.Perhaps this is why the metaphor of darkness and dawn resonates so deeply with me. It speaks to the fundamental truth that life is a constant journey, a series of challenges and victories, setbacks and triumphs. And while the night may seem interminable, the dawn will eventually break, ushering in a new day filled with possibility and promise.As a student, I find myself navigating this cycle on a regular basis. Exams, projects, and deadlines loom like ominous shadows,casting doubt and anxiety over my path. But with each obstacle I overcome, I emerge a little wiser, a little stronger, better equipped to face the next challenge that lies ahead.And so, when the weight of the world threatens to crush me, when the darkness seems all-consuming, I remind myself of my grandfather's words. I take comfort in the knowledge that this too shall pass, that the night is merely a temporary state, and that dawn will inevitably arrive, bringing with it new opportunities and a fresh perspective.In those moments of doubt and uncertainty, I hold on to the hope that tomorrow will be better, that the struggles of today will pale in comparison to the triumphs of tomorrow. I remind myself that greatness is forged in the crucible of adversity, that true strength is born from overcoming obstacles, and that the sweetest victories are often hard-won.So, as I gaze out into the inky blackness of the night, I do not despair. Instead, I embrace the darkness as a necessary part of the journey, a crucible through which I must pass to emerge stronger, wiser, and better prepared for the challenges that lie ahead.For in the end, the night may be chilly, but dawn will come. And with each new day comes the promise of a fresh start, achance to learn, to grow, and to continue on the path towards our dreams and aspirations.It is this unwavering belief in the inevitability of dawn that sustains me, that keeps me moving forward even in the face of seemingly insurmountable obstacles. For as long as the sun continues to rise, there will always be hope, always be the promise of a brighter tomorrow.And so, I press on, one step at a time, confident in the knowledge that the night, no matter how dark or cold, is merely a temporary state, a fleeting moment in the grand tapestry of life. For dawn will come, as it always has and always will, ushering in a new day filled with endless possibilities and the promise of a better tomorrow.篇2Night Casts Its Chill, But Dawn Will BreakThe night lies heavy, a smothering blanket of darkness and chill. The path ahead seems indistinct, filled with obstacles obscured by the inky blackness. It is far too easy to become disheartened, to falter and surrender to despair when the way forward appears so daunting and uncertain. Yet we must persevere, for night inevitably gives way to dawn. The darkesthours precede the breaking of a new day bright with promise and possibility.All journeys, whether physical treks or more metaphorical sojourns through the challenges of life, encounter their stretches of night. Darkness descends, temperatures plummet, and the road grows harder to discern. These are the times that try one's resolve and drain motivation and hope from even the stoutest heart. The wearying slog through a maze of seemingly endless obstacles can overwhelm the spirit and shake one's determination to the core.When night befalls during my own travels, I find myself besieged by doubts and fears. Every bump and bend in the road takes on exaggerated peril in the distorting shadows. The path twists and turns in a disorienting maze with no end in sight. Progress slows to a crawl as I pick my way forward with infinite caution, terrified of what unseen hazards may lie in wait. The relentless gloom weighs heavily, sapping my strength as a pervasive chill seeps into my bones.It would be so easy, so terribly tempting, to simply give up and surrender to thenight's merciless onslaught. To curl up and escape its harsh rigors by abandoning the quest and resigning myself to the cold embrace of failure's numbing comfort. Indeed,legions have faltered at this nadir, consigned to oblivion by the demoralizing march of endless nights unbroken by dawn's redeeming salvation.Yet I know I must carry on despite the night's demoralizing grip. As immense and insurmountable as the darkness appears, it is a deception of perspective born from the distorting effects of the blackest hours. Night, by its very nature, is finite and fleeting. It is the ephemeral transition from one dawn to the next, a temporary state however eternal it may feel when one is trapped in its nadir.So I plod onward, leaning into the gale of icy winds that threaten to drive me back with each punishing gust. Every step is sheer agony as I strain against night's oppressive weight, crushed by its mass yet striving to move inexorably forward. Though the path remains cloaked in obscuring shadows offering no clarity on what lies ahead, I trust that by steadfast perseverance each grueling footfall takes me closer to the night's inevitable demise.This conviction arises from having witnessed dawn's arrival countless times before after enduring long, arduous nights of struggle and tribulation. Each morning's initial blush of light has seen me battered and weary, dragging the last dregs of mytattered determination across the finish line to greet the new day. But dawn's regenerative energies are as dependable as the rising of the sun itself. Its revitalizing light bathes the world in a warm glow that renews and restores with its invigorating radiance.Those first rays of dawn shear through the oppressive mantle of night like a laser, piercing and scattering its dark veil in an ever-expanding blaze of brilliance. What was so recently an impenetrable obstruction dissipates and dissolves in dawn's purging fire as if night's dense curtain was a mere illusion all along. The path ahead emerges into view, no longer shrouded but visible in the morning's illuminating clarity.Obstacles that loomed so menacingly in the night's funhouse mirror now reveal themselves as mere pebbles easily cleared from the way. The treacherous twists and knots of the road unfurl into gentle, navigable curves. That which seemed so daunting and impossible when viewed solely through night's distorting lens is embraced with renewed vigor. My wearied stride breaks into an emboldened sprint as vitality surges through me, fueled by dawn's energizing caress.Just as night's retreat lays bare the truth of the path's challenges, so too does dawn provide perspicuous revelations about the journey itself. The dispiritingstruggles of thenight,once framed as reasons to abandon the quest, emergy as storied testaments to perseverance and fortitude. The grueling miles of darkness, so debilitating when experiencdd from within their miasma, become invigorating reminderso fwhat can be achieved through steadfast determination.Dawn's reflections awash the soul in warm self-affirmation at having prevailed over the long night by sheer grit and relentless forward momentum when quitting was the easier path. Its light shines brightest not on the destination itself, but on the journey undertaken to reach those heights. For it is the arduous quest, with allits torments and trials, where the true victory is vron overone's owndoubts andlimitations.篇3The chill of night envelops us, wrapping its icy tendrils around our hearts and minds, whispering doubts and fears into our ears. The path ahead seems shrouded in darkness, obscured by the shadows of uncertainty and trepidation. Yet, even in the depths of this metaphorical night, there exists a glimmer of hope – a promise that dawn will eventually break through, casting its warm rays upon the world and illuminating the way forward.As students, we are all too familiar with the trials and tribulations that accompany the pursuit of knowledge and personal growth. The weight of expectations, both internal and external, can feel suffocating at times, crushing our spirits and making us question our abilities and aspirations. We find ourselves trudging through the night, our steps heavy and our spirits low, wondering if the light at the end of the tunnel truly exists.But it is in these moments of darkness that we must summon the strength and resilience that lies within us. For just as the night is finite, so too are our struggles and challenges. The dawn is an inevitable certainty, a natural cycle that promises renewal and rejuvenation. It is a reminder that our current circumstances, no matter how bleak they may seem, are merely temporary – a fleeting phase in the grand tapestry of our lives.To reach the dawn, however, we must persevere. We must embrace the lessons that the night has to offer, for it is in these moments of adversity that we truly learn and grow. The struggles we face today will shape us into the individuals we are meant to become, fortifying our character and instilling within us the resilience and determination to overcome any obstacle that stands in our way.Just as the night sky is a canvas upon which the stars shine brilliantly, our struggles serve as a backdrop against which our strengths and talents can truly shine. It is in the depths of our challenges that we discover our inner reserves of courage, our unwavering commitment to our goals, and our ability to adapt and overcome.Moreover, the night is not without its beauty and wonder. It is a time of quiet reflection, a chance to pause and appreciate the journey we have undertaken thus far. In the stillness of the night, we can find solace in the knowledge that we are not alone – that countless others have walked this path before us, emerging from the darkness stronger and wiser for having endured.And as we navigate through the night, we must remember to lean on one another. For just as the stars in the night sky shine brighter when they are clustered together, so too do we shine brighter when we support and uplift one another. Seek out the company of those who share your dreams and aspirations, for they will be your beacons in the darkness, guiding you forward and reminding you of the light that awaits.Ultimately, the night is but a temporary phase, a fleeting moment in the grand scheme of our lives. And though the path may seem treacherous and the darkness may feel overwhelming,we must hold fast to the belief that dawn will inevitably break through. For just as the sun rises each morning, dispelling the shadows and ushering in a new day, so too will our perseverance and determination be rewarded with the warmth and light of success.In the face of adversity, we must remain steadfast, our eyes fixed upon the horizon, ever watchful for the first glimmers of dawn. For it is in those moments of triumph, when the darkness finally gives way to the light, that we will truly appreciate the journey we have undertaken – a journey that has forged us into the resilient, determined individuals we have become.So, fellow travelers, take heart. Embrace the night, for it is but a temporary passage, a crucible through which we must pass to emerge stronger and wiser. And when the dawn finally breaks, bask in its warm embrace, for it is a symbol of the triumph of perseverance over adversity, of hope over despair, and of the indomitable human spirit that resides within each and every one of us.。
英语作文描述自己可以闻到的触碰到的看到的
英语作文描述自己可以闻到的触碰到的看到的全文共6篇示例,供读者参考篇1The World Around MeHi there! My name is Emma, and I'm going to tell you all about the amazing things I can smell, touch, and see in this wonderful world of ours. Get ready to go on a journey with me as I explore the sights, smells, and textures that surround us every day!Let's start with smells. Oh boy, there are so many different scents out there, and each one is more interesting than the last! When I wake up in the morning, the first thing I smell is the delicious aroma of pancakes and syrup wafting in from the kitchen. Mmm, it makes my tummy rumble just thinking about it!After breakfast, I love going outside and taking a deep breath of fresh air. The smell of freshly cut grass and blooming flowers is one of my favorites. Sometimes, I even catch a whiff of honeysuckle or lilacs from the neighbors' gardens. Nature has the most beautiful fragrances!Speaking of nature, have you ever stuck your nose in the dirt after a rainy day? It has this rich, earthy scent that reminds me of all the tiny creatures and plants living underneath the soil. Isn't it amazing how something so simple can smell so wonderful?Now, let's talk about textures and the sense of touch. I absolutely love running my fingers over different surfaces and feeling all the bumps, ridges, and grooves. One of my favorite things to touch is the rough bark of an old oak tree. It's so coarse and uneven, but also kind of cool and satisfying to trace with my fingertips.Have you ever felt the velvety softness of a rose petal? Or the smooth, slippery texture of a river rock that's been tumbled and polished by the water? There are so many different sensations out there, and each one is unique and special.Sometimes, I like to close my eyes and feel the warmth of the sun on my face or the gentle breeze rustling my hair. It's like the world is giving me a big, warm hug! And then there are other times when I get to experience the crisp chill of snowflakes landing on my tongue or the refreshing coolness of splashing in a pool on a hot summer day.Now, let's move on to the sense of sight – one of my personal favorites! The world is filled with so many incrediblecolors, shapes, and patterns, and I never get tired of looking at them all.Just think about a sunny day and how the sky turns into the most brilliant shade of blue. Or how about a sunset, when the whole horizon is painted with vibrant oranges, pinks, and purples? It's like nature is putting on a breathtaking art show, just for us!Speaking of art, have you ever really looked at a beautiful painting or sculpture up close? The brushstrokes, the way the light and shadows play off the canvas or the curves of the marble – it's all so intricate and mesmerizing. Art is one of the most amazing ways to appreciate the gift of sight.But you don't have to go to a museum to see incredible things. Just look around you! The way raindrops cling to a spider's web, the intricate patterns on a butterfly's wings, or the way sunlight dances through the leaves of a tree – there's beauty everywhere if you just take the time to really look.And that's not even mentioning all the amazing animals, buildings, landscapes, and people that make up the world around us. Every single thing we see is unique and special in its own way.So, those are just a few of the wonderful things I can smell, touch, and see. The world is full of so many incredible sensations, and I feel so lucky to be able to experience them all. I hope you'll join me in taking the time to stop, look, listen, and appreciate the amazing world we live in. There's magic and wonder all around us if we just open our senses and let it in!篇2My World of SensesHi there! My name is Tommy, and I'm 8 years old. I go to Oakwood Elementary School, and I love learning about the world around me. Today, I want to tell you all about my world of senses – the things I can smell, touch, and see.Let's start with smells! I love the way my mom's kitchen smells when she's baking cookies. It's like a warm, sweet hug that tickles my nose. And when my dad mows the lawn, that fresh-cut grass smell is the best. It reminds me of summer days spent running around outside with my friends.Speaking of friends, have you ever smelled their lunchboxes? Sometimes, they can be pretty stinky! But I don't mind because that's just part of being a kid. My favorite smells are the ones that remind me of happy times, like the salty ocean air when wego to the beach or the campfire smoke from our family camping trips.Now, let's talk about touch! I love the way my fluffy blanket feels against my skin when I'm all snuggled up in bed. It's so soft and cozy. But you know what's even better? The feeling of sand between my toes at the beach. It's like a little massage for my feet!And then there are the things that feel a little prickly, like my dad's scratchy beard when he gives me a kiss goodnight. It always makes me giggle. Or the way a caterpillar feels when it crawls across my hand – so tiny and ticklish!But my favorite thing to touch is probably my dog, Buddy. His fur is so soft and warm, and he always licks my face with his wet doggy tongue. It's the best feeling in the world!Okay, now for the things I can see. Oh boy, where do I even start? There are so many beautiful things to look at in this world!Like the way the sun peeks through the trees in the morning, casting long shadows on the ground. Or the way the clouds look like fluffy animals floating across the sky. And have you ever seen a rainbow after a rainstorm? It's like a magic colorful bridge in the sky!But my favorite thing to see is probably my family. I love the way my mom's eyes crinkle up when she smiles, and the way my dad's laugh makes his whole face light up. And my baby sister is just the cutest thing ever, with her chubby cheeks and tiny button nose.And then there are all the cool things I get to see at school, like the way the leaves change color in the fall or the way the snow sparkles in the winter sun. It's like the world is putting on a special show just for us kids!I could go on and on about all the amazing things I can smell, touch, and see, but I think you get the idea. The world is just such a magical place, filled with so many wonderful sights, smells, and textures.Sometimes, when I'm feeling stressed or overwhelmed, I like to take a deep breath and really pay attention to my senses. It's like hitting a reset button and reminding myself of all the beauty and joy that surrounds me every single day.So, the next time you're feeling down, I challenge you to do the same. Take a moment to smell the flowers, feel the softness of your favorite blanket, or watch the way the sunlight dances across the room. It's amazing how something so simple can lift your spirits and make you appreciate the little things in life.Well, that's all for now, my friends. I hope you enjoyed this little peek into my world of senses. Until next time, keep exploring, keep wondering, and keep using all five of your senses to experience the beauty and magic of this incredible world we live in!篇3The World Around MeHello! My name is Sam and I'm 9 years old. Today I want to tell you all about the amazing world around me and the things I can smell, touch and see every day.Let's start with smells! There are so many wonderful smells that make me happy. One of my favorite smells is when my mom is baking cookies or a pie in the kitchen. The sweet sugary smell drifting from the oven makes my mouth water. I also love the smell of freshly cut grass in the summer. It reminds me of playing outside and warm sunny days. Another smell I really like is right after it rains - that fresh, earthy scent is so refreshing.Some not-so-great smells are things like trash, skunk spray, and burnt food. My dad accidentally left a pizza in the oven way too long once and the whole house smelled like burnt cardboard for days! No thank you to those stinky smells.On to the sense of touch! I love the feels of different textures and materials. My favorite soft, cuddly things to touch are my stuffed animals and blanket. They are so snuggly and comforting.I also really like the feel of water, whether it's splashing around in the bathtub, swimming篇4My World of SensesHi there! My name is Lily and I'm 8 years old. I love using my five senses to explore the world around me. Today I want to tell you all about the things I can smell, touch, and see. Get ready for an adventure with me!Let's start with my super sniffer – my nose! I can smell so many different things. One of my favorite smells is when my mom is baking cookies in the kitchen. The sweet sugary scent mixed with warm chocolate chips makes my mouth water. I can almost taste them before they even come out of the oven!Another smell I really like is fresh cut grass. When my dad mows the lawn, that fresh, green, slightly sweet smell fills the air. It reminds me of playing outside and running around barefoot on the soft blades. Sometimes I'll grab a handful of clippings andcrunch them up just to get a bigger whiff of that grassy goodness.Unfortunately, not all smells are as pleasant. Like when the garbage truck comes to pick up our trash cans – wow, does that ever stink! It's a nasty mix of rotting food, dirty diapers, and who knows what else. I have to plug my nose and run inside to escape that foul odor. Phew, not a fan of that one!Okay, enough about smells for now. Let's talk about the sense of touch. There are so many different textures all around us. One of the roughest things I can think of is the tree bark in my backyard. The oak tree has such a thick, rigid bark with deep grooves. If I run my hand across it, my fingers get caught in all the crackly ridges.On the other hand (get it?), one of the softest things is my fuzzy blue blanket that I've had since I was a baby. It's made from the most velvety fabric imaginable. I love burying my face in that blanket and feeling the plush material against my skin. It's like getting hugged by a cloud!Temperature is another aspect of touch that I'm very aware of. During the summer, the scorching hot pavement can really burn my feet if I'm not careful. But it also feels amazing to let the sun's warm rays wash over my body while I'm sprawled out onthe grass. In the winter, there's nothing like the icy sting of snowflakes landing on my tongue or the refreshing crunch of fresh snow beneath my boots.While smell and touch are awesome, I think the coolest sense is sight. My eyes allow me to see such an incredible, colorful world! One of the most beautiful things I've ever seen is a rainbow after a storm. The bright arc of red, orange, yellow, green, blue, indigo, and violet is simply breathtaking stretching across the sky. I once spent ages just staring at a rainbow, mesmerized by its vibrant hues.At night, another marvelous sight is the twinkling stars dotting the dark sky. I love laying on my back and picking out the constellations my dad taught me, like the Big Dipper and Orion. Sometimes I'll even see a shooting star zip across and I'll make a wish before it's gone in a flash. The moon is pretty amazing too, especially when it's a big full moon. It casts such a cool, eerie glow over everything.During the day, my favorite things to look at are all the tiny details in nature. Like the iridescent wings of a butterfly gently flapping by. Or the dew drops clinging to a spiderweb that sparkle like diamonds in the morning sun. Flowers are especially fun to examine up close, with their layers of delicate petals inevery shade imaginable and their vibrant centers packed with pollen. Who knew plants could be so pretty?Well, those are some of the main things I enjoy smelling, touching, and seeing as an 8-year-old kid. The world is such an awesome place when you really pay attention with all your senses. I feel so lucky to be able to experience all the smells, textures, temperatures, colors, and patterns that surround me every single day. Being a kid is the best!I hope you enjoyed tagging along with me on this journey through my senses. Maybe it'll inspire you to stop and smell the roses (or freshly cut grass), reach out and feel the different fabrics and surfaces around you, or just take a minute to really look at the beauty in your world. Our senses are pretty amazing, aren't they? I sure am grateful for mine!篇5The Wondrous World Around MeHi there! My name is Alex, and I'm a curious little kid who loves exploring the world around me. Every day is filled with amazing sights, sounds, smells, and textures that make me feel alive and excited to learn more!Let's start with the sense of smell. Whenever my mom bakes cookies or muffins in the kitchen, the most delicious aroma fills the entire house. It's a warm, sweet scent that makes my mouth water and my tummy rumble. I love the smell of freshly cut grass on a sunny day, too. It's so fresh and green, like the smell of nature itself. Sometimes, when it's been raining, I can even catch a whiff of that earthy, petrichor scent that reminds me of mud puddles and worm hunts.Speaking of nature, there are so many incredible smells to discover outdoors. The fragrance of blooming flowers in the spring is simply heavenly. I especially love the sweet perfume of lilacs and the delicate scent of cherry blossoms. In the fall, the crisp aroma of fallen leaves and the smoky scent of bonfires always make me feel cozy and nostalgic.Now, let's talk about the sense of touch. Have you ever run your fingers across a fluffy blanket or a soft stuffed animal? It's like being enveloped in a warm, comforting hug. I love the velvety texture of rose petals and the smooth coolness of river stones. On the other hand, rough textures like tree bark and sandpaper fascinate me too. I enjoy tracing the intricate patterns and ridges with my fingertips.One of my favorite things to touch is the fur of our family dog, Buddy. His coat is so soft and silky, and when I bury my face in it, I feel like I'm surrounded by a cozy cloud. But sometimes, when he gets muddy from playing outside, his fur can get all matted and sticky – not as pleasant to touch, but still part of the adventure!Speaking of adventures, there's nothing quite like running barefoot on the beach and feeling the warm, grainy sand squish between my toes. The ocean breeze, the gentle lapping of waves, and the salty tang in the air make it a truly multi-sensory experience.Ah, and let's not forget about the sense of sight! The world is a kaleidoscope of colors and shapes, just waiting to be explored.I love watching the vibrant hues of a sunset painting the sky in shades of orange, pink, and purple. The twinkling stars at night never fail to fill me with wonder and curiosity about the vast universe beyond our little planet.Have you ever watched a butterfly flitting from flower to flower, its delicate wings fluttering like a living rainbow? Or gazed in awe at a flock of birds soaring gracefully across the sky, their feathers shimmering in the sunlight? These are the kinds ofsights that fill my heart with joy and make me appreciate the beauty of nature.But it's not just the great outdoors that offers visual delights.I love the way light dances across the surface of water, creating shimmering patterns and reflections. The intricate designs of spider webs, the iridescent shimmer of a soap bubble, and the vibrant hues of a freshly painted masterpiece – these are all examples of the incredible visuals that surround us every day.And let's not forget about the people in our lives! The warm smiles of my parents, the contagious laughter of my friends, and the twinkling eyes of my grandparents – these are the sights that remind me of love, happiness, and cherished memories.The world is a vast canvas filled with an infinite array of sights, smells, and textures, just waiting to be explored and appreciated. As a curious kid, I'm determined to soak up every moment, every sensation, and every wonder that life has to offer. Who knows what amazing discoveries await around the next corner or under the next rock? I can't wait to find out!篇6My Amazing SensesHi there! My name is Lily and I'm 8 years old. I love using my senses to explore the world around me. There are so many amazing things to smell, touch, and see every single day!Let's start with smells. Mmm, I just love the smell of freshly baked cookies wafting from the kitchen. It's like a warm, sweet hug for my nose! My mom makes the best chocolate chip cookies. When they come out of the oven, the whole house is filled with that incredible chocolatey, buttery aroma. I can almost taste them just by smelling that delicious scent.Speaking of tastes, have you ever smelled a lemon? Whooo, that zingy, sour smell really wakes up your senses! It makes my nose tingle a little bit. I love the way lemons smell, especially when my dad cuts one open to put in his iced tea on a hot summer day.There are so many other great smells too. Like fresh cut grass after the gardener has mowed the lawn. That green, earthy smell always reminds me of playing outside. Or the way the air smells right before it rains – kind of sweet and fresh. And who could forget the smell of a campfire? That smoky, woodsy scent makes me think of roasting marshmallows and singing silly songs with my friends.Now let's talk about touching things. I love the way soft blankets feel. Like my favorite one on my bed – it's so warm and fuzzy. I cuddle up with it every night when I go to sleep. Have you ever petted a puppy? Their fur is so incredibly soft and smooth. It's one of the most comforting feelings in the world.On the other hand, some textures are really rough and scratchy. Like tree bark – run your hand along the trunk of an oak tree and you'll see what I mean! It's all bumpy and ribbed. If you're not careful, you might get a splinter. That's why you have to be gentle when touching certain things.Certain textures can be fun and silly too. Like bubble wrap! You know you can't resist popping every single bubble when you get a hold of it. The tiny "pop, pop, pop" sounds make me laugh every time.And then there are things that just feel really bizarre and unexpected when you touch them. Take flubber for example –that weird, doughy slime stuff. You can stretch it, squish it, and sculpt it into any shape you want! It's equal parts slimy and solid at the same time. So strange but super cool!Finally, let's explore some of the amazing sights in this world. I'll never get tired of watching a glorious sunrise or sunset. The way the sky fills with brilliant oranges, pinks, reds, and purples isjust breathtaking. Every sunrise and sunset is a brand new masterpiece painted across the heavens.Speaking of colors, rainbows are another one of nature's most dazzling displays. Seeing how the sunlight bends through water droplets and creates that vibrant arc of red, orange, yellow, green, blue, indigo, and violet across the sky? Totally mesmerizing! I like to imagine that rainbows are smiles from the clouds.The stars and planets are pretty awesome to look at too. On a clear night when there's no moon, you can see thousands and thousands of tiny, twinkling lights scattered across the inky black sky. I try to count them all but I can never make it to the end before I lose track! My dad has a telescope, and looking through that thing makes me feel like I'm zooming through outer space. I can see craters on the moon and rings around planets – it's out of this world!Even ordinary things can be fascinating to observe up close. Have you ever really examined a snail's shell? All those groovy, swirly patterns and ridges? So cool! Or taken a magnifying glass to inspect a leaf? The tiny veins and details are super intricate. Our world is full of incredible designs and textures, if you just take the time to really look.Those are just a few of my favorite smells, textures, and sights that I get to experience every day. I feel so lucky to have senses that allow me to appreciate the beauty and wonder of our world. From the simplest things, like a warm cookie, to the most magnificent, like a rainbow – I never take my sense of smell, touch, and sight for granted. Being able to fully experience the world around me using all five senses is one of the most amazing gifts.I can't wait to keep exploring and discovering new sights, sounds, smells, tastes, and textures. Our world is full of so many awesome sensations, and I plan to experience as many of them as I possibly can. Being a kid is the best – every single day is filled with exciting new things to smell, touch, and see!。
用融情于景的方法写奔跑在操场上的作文
用融情于景的方法写奔跑在操场上的作文The sun was setting, casting a warm, golden glow over the campus. It was that time of day when the students would gather at the playground, taking advantage of the slight chill in the air to partake in their favorite sports and activities.夕阳西下,整个校园都笼罩在温暖的金色光芒中。
这是每天学生们会聚集在操场上,利用微微的凉意参加他们最喜欢的运动和活动的时候。
Among the countless figures dotting the field, there was one that stood out - a young boy, sprinting with breathtaking speed and determination. His legs pumped tirelessly, his arms swung rhythmically, and his face was a picture of unyielding focus.在操场上点缀着无数身影,有一个身影格外引人注目——一个年轻的男孩,以令人惊叹的速度和决心奔跑着。
他的双腿不知疲倦地奔跑着,双臂有规律地摆动,他的脸上露出坚定不移的专注。
With every stride, he seemed to leave a trail of determination and passion on the ground. His eyes were fixed on an invisible finish line,and the wind seemed to be at his back, urging him on like an invisible ally.每一步,他仿佛在地面上留下一道决心和激情的痕迹。
旅路共赏秋实的英语作文
Autumn is a season of harvest,a time when the fruits of labor are reaped.As the leaves turn golden and the air carries a crisp chill,we find ourselves in a moment of reflection and appreciation for the bounties of nature.The journey through autumn is a shared experience,one that can be cherished and celebrated together.In the countryside,the fields are a canvas of amber waves,with the sun casting a warm glow on the ripe grains.Farmers work diligently,their faces lined with the satisfaction of a job well done.The scent of freshly harvested crops fills the air,a testament to the hard work and dedication that has led to this moment.In the orchards,the trees are laden with fruit,their branches bending under the weight of apples,pears,and plums.The colors are vibrant,a spectrum of reds,oranges,and yellows that paint the landscape with a richness that is truly breathtaking.The taste of these fruits is a sweet reminder of the earths generosity.In the city,the parks become a haven for those seeking a respite from the hustle and bustle of urban life.The leaves on the trees turn into a fiery display,their colors a stark contrast to the concrete and steel that surrounds them.People gather to enjoy the crisp air, the rustling of leaves underfoot,and the sight of squirrels scurrying to store away their winter provisions.Families and friends come together to partake in the autumnal festivities.They go apple picking,sharing laughter and stories as they fill their baskets with the seasons bounty. They prepare for the coming winter by canning and preserving the fruits of their labor, ensuring that the taste of autumn lingers even when the cold winds blow.The shared experience of autumn is not just about the physical act of harvesting,but also about the emotional connection it fosters.It is a time to appreciate the beauty of the changing seasons,to express gratitude for the earths gifts,and to strengthen the bonds that tie us together.As the days grow shorter and the nights grow longer,we are reminded of the cyclical nature of life.Autumn is a bridge between the warmth of summer and the chill of winter, a time to pause and reflect on the journey that has brought us to this point.It is a season that invites us to share in its splendor,to savor the fruits of our labor,and to look forward to the adventures that lie ahead.In conclusion,the journey of autumn is a collective one,a time to come together and appreciate the beauty and abundance that surrounds us.It is a reminder of the importance of community,of the value of hard work,and of the simple pleasures that life has to offer.So let us embrace the autumnal journey,and let it fill our hearts with warmth and gratitude.。
第1次走夜路 六上作文的批注三段
第1次走夜路六上作文的批注三段英文回答:The first time I walked on a dark road at night was quite an unforgettable experience. As I embarked on this journey, a sense of fear and excitement overwhelmed me. The darkness seemed to consume everything around me, making it difficult to see what lay ahead. The only source of light was the moon, casting eerie shadows on the ground.As I walked further into the darkness, my senses heightened. Every sound, no matter how faint, made me jump. The rustling of leaves, the distant hooting of an owl, and even the sound of my own footsteps seemed amplified in the silence of the night. I couldn't help but feel a sense of vulnerability, as if I was being watched by unseen eyes.The cold wind brushed against my face, sending shivers down my spine. I pulled my jacket tighter around me, trying to ward off the chill. The night air felt heavy and still,adding to the eerie atmosphere. I couldn't shake off the feeling that something was lurking in the shadows, waitingto pounce.As I continued walking, my imagination started to play tricks on me. Every shadow seemed to morph into a sinister figure, ready to jump out and grab me. I quickened my pace, my heart pounding in my chest. The fear was palpable, and I couldn't wait to reach the safety of my destination.中文回答:第一次夜晚走在黑暗的道路上是一次难忘的经历。
红叶飘零过程描写80字英语作文
红叶飘零过程描写80字英语作文Beneath the crimson canopy of autumn, a symphony of vibrant hues unfolded as nature prepared for its annual metamorphosis. The leaves, once lush and verdant, transformed into a breathtaking tapestry of scarlet, amber, and gold. With each gentle gust of wind, a kaleidoscope of colors danced through the air, painting the sky with ephemeral beauty.As the days grew shorter, the leaves loosened theirgrip on their branches, surrendering to the gentle pull of gravity. Like tiny parachutes, they twirled and fluttered downward, creating a mesmerizing spectacle of falling foliage. The air crackled with the sound of crisp leaves crunching underfoot, a bittersweet reminder of the season's passing.With every graceful descent, the leaves painted the ground beneath in a vibrant mosaic. Paths were transformed into crimson carpets, adorned with nature's intricateartistry. Trees stood sentinel, their branches reaching up towards the heavens, their leaves a symphony of vibranthues against the azure sky.As the autumn breeze intensified, the leaves spiraled and swirled in an aerial ballet. They seemed to float weightlessly, carried aloft by the invisible currents ofthe wind. Like tiny embers blown by an unseen force, they danced and twirled, creating a captivating spectacle.The forest floor became a canvas for the fallen leaves. Layers of crimson, amber, and gold intermingled, forming a vibrant tapestry that stretched as far as the eye could see. Each leaf bore witness to the passage of time, a testamentto the cycle of life and renewal that was underway.As the sun peeked through the canopy, casting a warm glow on the landscape, the fallen leaves took on a surreal beauty. They seemed to glow with an inner light, radiatinga warmth that defied the chill of the autumn air.The falling leaves were a constant reminder of nature'simpermanence. They were a symbol of the beauty andfragility of life, a testament to the fleeting nature of existence. Yet, in their ethereal dance, they also carried a promise of renewal, a reminder that even in the face of change, hope endures.As the autumn days dwindled, the leaves continued their descent, painting a vibrant masterpiece on the canvas of the forest floor. And as the last leaves clung tenaciously to their branches, nature prepared for the slumber of winter, knowing that come spring, the cycle of renewal would begin anew.。
描写滑冰的英语作文
描写滑冰的英语作文The chill of winter air nipped at my cheeks as I laced up my skates, the excitement of gliding on ice coursing through my veins. The rink was a canvas of white, waiting for the dance of my blades.With each stride, the ice whispered beneath me, a symphony of crisp sounds accompanying my movements. The wind whistled past, but it was the rhythm of my breath that kept time with my heart as I skated.As I picked up speed, the world around me blurred into a kaleidoscope of colors and lights. The sensation was liberating, as if gravity had momentarily loosened its grip, allowing me to soar.Turning gracefully, I felt the centrifugal force pulling at me, a gentle reminder of the dance between balance and momentum. The ice was my stage, and each spin was a step in a well-rehearsed performance.The laughter of children echoed around me, their joyous cries a reminder of the simple pleasures that come with the first steps on ice. Their faces, flushed with cold and excitement, mirrored my own.The sun began to set, casting long shadows across the rink. The golden glow of the setting sun turned the ice intoa shimmering mirror, reflecting the day's last light.As the day drew to a close, the rink emptied, leaving me alone with my thoughts and the soft hum of the ice. The solitude was peaceful, a moment to savor the quiet victory of a day well-skated.With the last rays of sunlight fading, I skated one final lap, my blades carving a path through the remaining light. The day's adventure on the ice was ending, but the memories, like the trails left behind, would linger.。
高中英语作文环境描写衬托自己心情的句子
高中英语作文环境描写衬托自己心情的句子全文共3篇示例,供读者参考篇1The Melancholic Autumn DayThe dull thud of raindrops pelting against the window pane echoed the heavy weight on my heart. As I gazed out at the dreary autumn morning, the sky was an impenetrable shade of gray, mirroring the gloom that enveloped my soul. The once vibrant trees that lined the street had shed their lively green cloaks, leaving behind spindly bare branches clawing at the somber heavens.I couldn't shake the oppressive feeling that the world itself was mourning, sharing in my profound sorrow and despondency. Each droplet streaking down the glass seemed to carry its own solitary tear, merging into rivulets that distorted the dismal view into an abstract blur of melancholy hues.Letting out a deep sigh, I turned away from the window, my eyes landing on the framed photographs that adorned my desk. Memories of cherished moments now felt like taunting remnants of happiness that could never be recaptured. The smiling faces inthose frozen instants of time mocked me, a stark contrast to the desolation I currently embodied.My gaze drifted to the withering houseplant on the windowsill, its once verdant leaves now crisp and curled inward, as if recoiling from the harsh realities of the world. I couldn't help but see my own emotional state reflected in its pitiful condition –starved of the warmth and nourishment required to thrive, merely existing as a husk of its former vibrant self.The incessant patter of raindrops seemed to crescendo, like the relentless march of an approaching army of sorrow. Each percussive beat reverberated through my very being, amplifying the ache that had taken up residence in the depths of my soul.Desperate for an escape, I buried my face in my hands, trying in vain to block out the oppressive ambiance that mirrored my inner turmoil. But even in the manufactured darkness behind my eyelids, the echoes of the melancholic symphony played on, an inescapable soundtrack to my despondency.As the hours crawled by, the leaden skies gradually transitioned from shades of gray to an ominous palette of charcoal and obsidian, as if the world itself was being cloaked in a funereal shroud. The wind began to howl, a mournful lamentthat pierced the stillness, carrying with it the scent of decaying leaves and the promise of impending desolation.I found myself drawn back to the window, mesmerized by the rivulets of water that streamed down the glass, each one a solitary tear shed by the heavens themselves. In that moment, I felt an inexplicable kinship with the elements, as if we were united in our shared melancholy, two kindred spirits drowning in an ocean of sorrow.The twilight hours brought no reprieve, as the inky blackness of night descended upon the world like a suffocating blanket. The only illumination came from the feeble glow of streetlamps, their pallid light casting elongated shadows that danced across the walls, ephemeral specters bearing witness to my despondency.As I lay awake, staring at the ceiling, the pounding of raindrops against the roof became a percussive lullaby, lulling me into a fitful slumber punctuated by dreams as bleak and desolate as the world outside.Morning came, but the leaden skies offered no solace, no promise of a brighter day to come. The rain continued its relentless assault, each drop a tiny hammer striking against thefragile facade of my composure, threatening to shatter it into a million fractured pieces.In those moments of deepest despair, the gloom that shrouded the world seemed to seep into my very being, consuming me from the inside out. The weight of my sorrow was a physical burden, pressing down upon my shoulders with the relentlessness of a trillion raindrops.Yet, even in the depths of that all-encompassing melancholy, a flicker of hope refused to be extinguished. For just as the seasons inevitably cycle, so too do the tides of emotion ebb and flow. And though the storm might rage on indefinitely, I clung to the belief that one day, the clouds would part, and a ray of warmth would pierce through the gloom, casting its radiant light upon my soul once more.Until that day arrived, I would find solace in the knowledge that the world around me understood, that the elements themselves were empathetic companions, sharing in my sorrow through their melancholic symphony. And perhaps, in that shared experience, I would find the strength to weather the storm, secure in the knowledge that even the darkest of nights eventually gives way to the dawn.篇2The Somber Symphony of AutumnThe weight of my backpack feels heavier than usual as I trudge along the cracked sidewalk, kicking up dried leaves with each reluctant step. The crisp October air bites at my exposed hands, prompting me to bury them deeper into the depths of my hoodie pocket. I let out a melancholy sigh, watching as my breath materializes into a ghostly cloud before dissipating into the dreary atmosphere.Autumn's orchestra is in full swing today, the once lively trees now conductors of a somber symphony. The melody begins with a gentle overture, a cool zephyr whistling through barren branches, beckoning the fallen foliage to perform the opening number. A dazzling array of crimsons, ambers, and burnt ochres swirl across the dull pavement in an elegant dance, crunching underfoot like nature's percussion section. As I make my solitary journey, the sound epitomizes autumn's splendor fading, giving way to the coming chill.The world around me seems to be following my melancholic cadence today. Dark, ominous clouds hover overhead in ethereal formations, obscuring the wan sunlight as if an unseen titanexhaled a weighty breath across the heavens. The muted hues of the neighborhood houses blur together into an indistinct palette, their usual vibrance dulled by the dreary palette nature has imposed. Even the birds remain hushed today, their typical cheery choruses replaced by the occasional lonely caw echoing through the empty streets.I can't help but feel a strange kinship with this moody tableau as I shuffle along. My own emotions seem to be perfectly reflected in the scenery, as if the universe is providing a fitting soundtrack to underscore my inner turmoil. The overwhelming stress from school, extracurriculars, and trying toappease the demands of parents and peers has coalesced into a smothering weight on my psyche. I feel disjointed, unbalanced...unmoored from any sense of stability or identity beyond what is projected upon me by the external pressures bearing down with increasing intensity.Like the trees being stripped bare by autumn's transition, I can't shake the feeling that I too am gradually shedding layers of myself with each passing day. Bit by bit, my passions, hobbies, and even the simple joys in life seem to slip away, ceding ground to the unrelenting requirements of preparing for an unclear future. I'm increasingly defined not by who I am, but by a litanyof scores, resumes, and admissions stats that can never fully encapsulate the depth of a human soul. Much like the world around me, my inherent vibrancy has been muted by the overwhelming grayscale of expectations and obligations.As I finally approach the looming edifice of my high school, a pang of dread settles into the pit of my stomach like a leaden weight. I know the moment I cross the threshold, my reprieve from the incessant pressures will come to an abrupt halt. The drab, institutional corridors feel increasingly confining, a sterile labyrinth designed to subliminally instill discipline and uniformity upon the student psyche. The clamor of hurried footsteps and locker doors slamming in a discordant symphony will further attune me to this universally familiar rhythm of adolescent angst.Yet despite the overwhelming sense of resigned dismay, a perpetual flicker of hope smolders within me, much like the last defiant licks of flame clinging to the dying embers of a campfire. For as bleak as the landscape appears in this transitional period, I know the cycle remains eternal and unbroken. The orchestral lament of autumn will eventually yield to the hushed serenity of winter, where the world lies dormant...awaiting the inevitable renaissance of spring. Just as nature's propensity is toperpetually rebirth, revitalize, and renew itself, so too will my own spirit have the opportunity to blossom anew with fresh vitality.This sobering recalibration is simply a milestone in the endless dance of obligatory change and growth, death and rebirth. The chrysalis must undergo its metamorphosis, no matter how turbulent and disorienting, before materializing into its final, transcendent form. One day, with equal measures of apprehension and hopeful determination, I too will spread my wings and finally take flight, shedding the encumbering carapace of my high school years behind me. Emboldened by the apotheosis of self-actualization, I will soar unbound, free to embrace the world with the brilliant prismatic hues that exemplify my quintessential, unique essence.But for now, I bask in the fleeting melancholy of this transitional autumn with a feisty, unrelenting spirit...the perpetual heartbeat of one who is simultaneously defeated yet undefeated. Just as the natural world demonstrates resilience in the face of cycles of decay and rebirth, I too shall endure and prevail as an intransient force, resolute and alive with incandescent, smoldering promise. The symphony may ebb andflow, but the music never ceases, continually composing the eternal song of the human experience.篇3The Melancholy of Autumn LeavesThe crisp autumn wind rustled through the trees, shaking loose a flurry of fallen leaves that danced and swirled around me. As I watched their erratic movements, I couldn't help but feel a strange kinship with those withered pieces of nature. My emotions seemed just as scattered, just as prone to the whims of unseen forces carrying me along an uncertain path.I pulled my jacket tighter around my body, savoring what little warmth it could offer against the encroaching chill. The vibrant colors that had decorated the campus just weeks before were rapidly fading, leaving behind a desolate graveyard of vegetation. The once lively green canopies had deteriorated into skeletal branches clawing at the dreary, overcast sky. A pervasive grayness had seeped into every corner of the landscape, mirroring the melancholy that weighed heavily on my spirit.My feet crunched over the carpet of decaying foliage as I trudged across the deserted quad, the sound echoing through the eerie silence. This place, normally a hub of youthful energyand raucous socialization, now felt hauntingly vacant. The emptiness seemed to stretch on endlessly in every direction, amplifying the loneliness that had begun to consume me.As I neared the old oak tree where I often sought solace, a harsh gust of wind whipped at my face, stinging my eyes with its biting chill. I squinted through the flurry of whirling leaves, desperate to reach my familiar sanctuary. When I finally collapsed onto the damp, moss-covered bench beneath the oak's gnarled branches, I felt something within me shatter.Hot tears streamed down my cold, reddened cheeks as the emotional turmoil I'd been bottling up finally broke through the crumbling dam. The weight of my parents' constant fights, the pressure of maintaining perfect grades, the isolation from my so-called friends – it all came crashing down in that moment of vulnerability beneath the skeletal oak tree.Each breathless sob wracked my body as violently as the thrashing winds that continued to batter the lifeless branches above me. With every gasping inhalation, the crisp scent of decaying vegetation flooded my senses, its earthy aroma simultaneously comforting and haunting. It was as if the death throes of nature itself were echoing the raw anguish clawing at my soul.As my ragged breathing gradually steadied, I slowly raised my gaze to study the mournful oak offering me shelter. Its rough, timeworn bark was riddled with deep grooves and gashes, callous marks of the hardships it had endured over its long lifetime. Yet despite the relentless wear and tear of the seasons, despite being stripped naked and left to face the harsh elements year after year, it remained standing tall and proud.In that moment, I found solace in the resilience of that old oak, a life-weathered veteran that had witnessed more cruel winters than I could fathom. If a tree could persevere through cycle after cycle of death and rebirth, surely I too could find the strength to navigate this turbulent era and emerge into the verdant spring that would eventually blossom.I raised a trembling hand to wipe the dampness from my cheeks, my breath crystallizing in delicate plumes before me. As I did so, my gaze settled upon a solitary red leaf stubbornly clinging to a high branch, its brilliant hue blazing defiantly against the dreary backdrop. In that vivid splash of color, I saw a flicker of hope, an unyielding spark of life refusing to be extinguished by the onslaught of despair.A faint, weary smile tugged at the corners of my chapped lips as I rose from the bench, a renewed sense of determinationstirring within me. I would be like that tenacious leaf, I decided. I would hold fast to the vibrancy of my own spirit, even when the world around me threatened to leach away all semblance of joy. This stark, unyielding winter too would pass, making way for the rejuvenating thaw of spring.With a deep, reinvigorating breath, I turned and began the long trek back across the barren quad, my steps feeling lighter and more purposeful. Though the landscape remained blanketed in shades of desolate gray, I no longer felt consumed by its gloom. My heart swelled with the knowledge that no winter lasts forever, and the eternal cycle would inevitably awaken into brilliant new life.As I passed beneath the grand archway marking the edge of campus, I cast one last glance over my shoulder at the lonely oak tree standing vigil. Though its branches were bare and its leaves scattered, I knew without a doubt that when the next spring finally arrived, it would burst forth in a kaleidoscope of verdant renewal. Just as I too would bloom again, refreshed and emboldened, ready to embrace the next vibrant phase of life's great adventure.。
burnt yesterday evening的英语
burnt yesterday evening的英语Burnt yesterday evening, a beacon of warmth and light enveloped the chilly night air. As the flames danced and crackled in the darkness, the orange glow illuminated every corner of the room. The scent of smoke lingered in the air, a reminder of the fire's fierce presence just hours before.The fire had been a welcomed sight after a long day of work and responsibilities. It provided a sense of comfort and relaxation, allowing those gathered around it to unwind and let go of the stress of the day. The crackling of the logs echoed in the silence, a calming soundtrack to the evening.As the fire burnt on, conversations flowed freely among friends and family. Laughter filled the room, mingling with the sounds of the crackling flames. Stories were shared, memories were made, and bonds were strengthened by the warmth of the fire.The flames flickered and danced, casting shadows on the walls that seemed to come alive in the glow of the fire. It was a mesmerizing sight, one that captivated all who watched. The warmth of the fire seeped into the bones of those gathered around it, chasing away the chill of the night air.As the evening wore on, the fire gradually burned down to embers, its once fierce flames reduced to a gentle glow. The heat radiating from the dying embers was a stark contrast to the cool night air outside, a final embrace before the fire faded away.And as the last of the embers flickered and faded, leaving nothing but a pile of ash in its wake, the burnt remains of the fire were a reminder of the fleeting nature of warmth and light. But the memories made around the fire would last far longer, a testament to the power of connection and community that a simple flame can ignite.In the end, the burnt fire of yesterday evening served as a reminder to cherish the moments of warmth and light in our lives, for they are fleeting and precious. And as the night air grew cold once more, those who had gathered around the fire carried its warmth in their hearts, a glowing ember of memory that would never fade.。
寒光乍现英语
寒光乍现英语The chill of winter's breath had finally arrived, its icy fingers reaching into every crevice and corner of the town.Children, bundled in layers of wool and down, scampered through the streets, their breaths visible in the crisp air, a testament to the season's bite.The trees, once lush with verdant leaves, now stood bare, their branches gnarled and reaching out like skeletal hands, as if to grasp the fleeting warmth of the sun.Inside, the hearth roared to life, casting a warm glow on the faces of the family gathered around it, a stark contrast to the cold outside.Books lay open on a nearby table, their pages fluttering slightly with the draft, as the young ones huddled closer, eager to hear tales of adventure and magic.The scent of cinnamon and spice wafted through the air, mingling with the crackling of the fire, a comforting aroma that promised warmth and solace.Outside, the moon hung low in the sky, its pale light reflecting off the frost-covered ground, turning the night into a canvas of silver and shadows.A lone figure, wrapped in a heavy coat, ventured forth, their boots crunching on the frozen earth, each step a testament to the resilience of the human spirit against the elements.In the distance, the first snowflakes began to fall, delicate and silent, heralding the arrival of a new chapter in the book of seasons, one filled with wonder and the promise of renewal.。