高三英语选修9unit2单词精品PPT课件

offshore adj./adv. 向海面吹的, 离岸的, 海面上的, 海上 /下作业的
offshore workers 海上作业的工人
The storm moved offshore. 风暴离岸移动。
secure adj.安全的, 可靠的, 放心的, 无虑的 v. 保护,使安全
Our house is secure from flood. 我们的房子没有被淹的危险。
It’s a mercy (that) (口)幸运的是,幸亏 (用于表示更遭的情况得以避免总算是幸 运) It’s a mercy the accident happened so near the hospital. 幸亏事故发生在离医院很近的地方。
It’s a mercy she源自文库wasn’t seriously hurt. 幸运的是她伤势不重。
involve vt. 包括，使陷于,使参与，影响 Don’t involve other people in your
mistakes. 别把别人牵涉到你的错误中去。
All the children were involved in the school play.
所有的孩子都参加了学校排练的戏剧。
voyage n./ vi. 航海, 航行 The voyage from England to India used to take six months. 过去从英国航行到印度要六个月。
go on/make/take a sea voyage 去航海旅行
voyager n. 航行者, 航海者
at the mercy of
The matter is serious because it involves your reputation.
2.explorer n. 勘探者,考察者(考察的人,尤 指考察某一地理区域的人)
他妈妈是一个到北极探险考察的人。 His mother is an arctic explorer.
exploration n. 探险, 探测
explore v. 探险, 探测, 探究 We must explore all the possibilities for the solution of the problem. 我们必须探讨解决这个问题的所有可能性。 Have you really explored your nearest town? 你真的考察了离你们那儿最近的城镇了吗？
alongside
prep. = by the side of; side by side with 在……旁边；与……并排 adv. = along, near, at, or to the side 在……旁边，近旁，沿着边 He parked his car alongside the fence. 他把车沿着围墙停放。
Some measures are needed to secure
the bank from a flood. 这道堤防需要采取一些措施, 免得被
洪水冲坏。
security n.安全，保安，保护 Security was tight during the President’s visit. 总统来访期间，保安工作十分严密。 the Security Council 安理会 the security guard 保安
UWosrdins agndneaxptruesrseions
1.navigator n. 导航者,领航员 navigate vi. 航行, 航海, 航空 vt. 航行于, 驾驶, 操纵, 使通过 They navigated with difficulty through the crowd. 他们在人群中艰难行进。 navigation n. 航海，航行 navigational adj. 航海的，航行的
without any protection against; helpless before 任由…摆布；在…面前无助
They were lost at sea, at the mercy of
wind and weather. 他们在海上迷失了方向,任凭风和天气
的摆布。
The sailors were left to the mercy of wind and weather. leave…to the mercy of 任凭…处置
A car drew up alongside. 一辆汽车开上来并排而行。
minimum (min) adj. 最小的, 最低的 n. 最小值, 最小化。
(pl) minima/minimums 其反义词为maximum (max) adj. 最高的, 最多的, 最大极限的 n. 最大量, 最大限度, 极大
have mercy on/ show mercy to 对……表示怜悯 The terrorists showed no mercy to the hostages. 恐怖分子对人质残酷无情。 without mercy 毫不留情地 The mother left the dying baby in the hospital without mercy. 那位母亲狠心地把垂死的婴儿丢弃在医院。
nowhere adv. 无处, 到处都无 我没工作，也没地方住。
I have no job and nowhere to live. Nowhere could I see him. 我哪儿也看不到他。 nowhere near=far from 差得远, 远非 e.g. The hall was nowhere near full.
keep/reduce sth. to a minimum 将某物保持在/降低到最低限度 公司设法最低限度减少开支。
The company manages to keep all the expenses to a minimum. 每个班学生人数的最高限额是58名。 The maximum number of students in each class is 58.