Air(空气)_1200字
最新精品作文：Air(空气)_500字作文
Air(空气)_500字Air Air is all around us. It\'s around us as we walk and play. From the time we were born air was around us on every side. When we sit down it is around us. We live in air. All living things need air. Living things can\'t live without air. We can go without food or water for a few days but we can\'t live for more than a few minutes without air. We take in air. When we are working or running we need more air. When we are asleep we need less air. We live in air but we can not see it. We can only feel it. We can feel it when it is moving. Moving air is called wind. How can you make air move? Here is one way. Hold an open book in your hands in front of you. Close it quickly. What can you feel? What you feel is the air.空气包围着我们，当我们走路和玩耍的时候，它在我们周围。
从我们诞生之日起，空气就在我们周围了。
当我们坐下时，它在我们身边。
我们生活在空气中。
关于空气的英语小作文
关于空气的英语小作文The Invisible Yet Essential: Air.Air, an ethereal presence that envelops us, sustains life, and shapes our planet, is often taken for granted. Yet, it is a complex and fascinating substance that plays a pivotal role in the intricate tapestry of Earth's ecosystems.Composition and Structure.Air is a mixture of gases, primarily nitrogen (78%) and oxygen (21%). Other gases, such as argon, carbon dioxide, and trace elements, make up the remaining 1%. These gases interact in a intricate dance, creating a dynamic and ever-changing atmosphere.Nitrogen, an inert gas, serves as a diluent, moderating the reactivity of oxygen. Oxygen, on the other hand, is essential for life, as it participates in cellularrespiration, the process that fuels all living organisms.Terrestrial and Atmospheric Roles.Air is not merely a passive element in our environment. It actively participates in numerous terrestrial and atmospheric processes. It provides buoyancy for birds, insects, and aircraft alike, enabling them to traverse the skies. Wind, a manifestation of air in motion, shapes landscapes, transports seeds and pollen, and influences weather patterns.In the atmosphere, air acts as a protective shield against harmful solar radiation. The ozone layer, a region of the stratosphere rich in ozone molecules, absorbs most of the sun's ultraviolet rays, protecting life from its damaging effects. Air also helps regulate Earth's temperature, as greenhouse gases, such as carbon dioxide and methane, trap heat in the atmosphere.The Climate Nexus.The composition of air is not static. Human activities, such as burning fossil fuels and deforestation, release large amounts of carbon dioxide into the atmosphere. This increase in greenhouse gases contributes to climate change, leading to rising temperatures, extreme weather events, and altered precipitation patterns.Understanding the role of air in the climate system is crucial for mitigating the impacts of climate change. By reducing carbon emissions, promoting renewable energy sources, and protecting forests, we can help preserve the delicate balance of Earth's atmosphere.Challenges and Opportunities.While air is essential for life, it can also pose challenges. Air pollution, caused by emissions from vehicles, factories, and other sources, can have adverse effects on human health and the environment. Exposure to pollutants can lead to respiratory problems, cardiovascular disease, and other health issues.Air pollution is a global problem that requires concerted efforts to reduce emissions. By adopting cleaner technologies, promoting sustainable transportation, and implementing air quality regulations, we can create a healthier environment for ourselves and future generations.Conclusion.Air, often overlooked in its ubiquity, is an indispensable element that sustains life, shapes our planet, and influences our climate. Its complex composition and dynamic behavior play a crucial role in maintaining the delicate balance of Earth's ecosystems.As we continue to explore and understand theintricacies of air, we must also recognize ourresponsibility to protect it. By addressing air pollution, mitigating climate change, and preserving the natural environment, we can ensure that this ethereal substance remains a source of life and vitality for generations to come.。
关于空气的英语小作文
The Importance of AirAir, the invisible and odorless gas that surrounds us everywhere, is often taken for granted. However, its significance in our lives cannot be overstated. Air is essential for our survival, as it provides the oxygen we need to breathe and the carbon dioxide we exhale. Without air, life on Earth would cease to exist.The composition of air is remarkable. It is made up of nitrogen, oxygen, argon, and trace amounts of other gases such as carbon dioxide, water vapor, and ozone. Nitrogen and oxygen make up the bulk of air, with nitrogen accounting for approximately 78% and oxygen comprising 21%. Argon, a noble gas, makes up about 0.93% of the atmosphere, while the remaining gases account for just a fraction of the total.The role of air in our daily lives is immense. It affects our health, the weather, and the environment. The quality of air we breathe directly impacts our well-being. Polluted air can lead to respiratory problems, heart disease, and even premature death. Clean air, on the other hand, promotes good health and well-being.Air also plays a crucial role in weather patterns and climate change. The movement of air masses, known as wind, drives weather systems and determines the climate ofdifferent regions. Changes in air temperature, pressure,and humidity lead to the formation of storms, hurricanes, and other weather phenomena.Moreover, air is essential for the survival of plants and animals. Plants require carbon dioxide from the air to photosynthesize and produce oxygen. Animals, including humans, depend on oxygen to survive. The carbon cycle,which involves the exchange of carbon dioxide between the atmosphere, plants, and soil, is also dependent on air.Despite its significance, air pollution has become a serious problem worldwide. Industrialization, urbanization, and the burning of fossil fuels have led to the emission of harmful gases and particles into the air. This pollutionnot only affects human health but also contributes toclimate change and global warming.In conclusion, air is a vital component of our lives.It supports our survival, affects our health and well-being, and plays a crucial role in weather patterns and climatechange. It is essential that we protect and preserve the quality of air we breathe to ensure a healthy and sustainable future for ourselves and our planet.**空气的重要性**空气，这种环绕我们无处不在、无形无味的气体，常常被我们忽视。
以空气为题目的作文
以空气为题目的作文英文回答：Air, the invisible yet crucial element that sustains life on Earth, is a fascinating and complex substance. Its composition, properties, and role in our planet's ecosystem and our existence demand our exploration and understanding.Air is primarily composed of nitrogen (78%) and oxygen (21%), with trace amounts of other gases such as argon, carbon dioxide, and water vapor. This delicate balance of gases is essential for life as we know it. Oxygen, thelife-giving gas, supports cellular respiration and energy production in all aerobic organisms. Nitrogen, on the other hand, serves as a reservoir for nitrogen compounds needed for plant growth and food production.The physical properties of air are just as remarkable as its composition. It is an extremely light gas, with a density of only 1.293 grams per liter at room temperature.This lightness allows air to ascend, forming clouds and facilitating weather patterns. Air is also a poor conductor of heat, which means it helps regulate Earth's temperature, preventing extreme fluctuations.Air plays a vital role in the Earth's ecosystem. It is the medium through which plants absorb carbon dioxide and produce oxygen through photosynthesis, providing the foundation for life's sustenance. Air currents transport seeds, pollen, and spores, promoting biodiversity and facilitating plant growth in diverse environments. Birds, insects, and other animals depend on air for flight and respiration, showcasing the intricate interconnectedness of life on Earth.Air is not only essential for life but also a potent force shaping our planet. Wind, caused by the movement of air masses, sculpts landscapes, erodes rocks, and drives ocean currents. Hurricanes, tornadoes, and other storms demonstrate the immense power of air, reminding us of its dynamic nature.However, human activities have significantly impacted the delicate balance of air. The burning of fossil fuels, deforestation, and industrial processes have led to increased levels of carbon dioxide and other greenhouse gases in the atmosphere. This increase has contributed to climate change, altering weather patterns, melting glaciers, and disrupting ecosystems worldwide.Recognizing the urgency of this issue, nations have come together to address air pollution and mitigate climate change. International agreements, such as the KyotoProtocol and the Paris Agreement, aim to reduce greenhouse gas emissions and promote sustainable practices that safeguard air quality.In conclusion, air is an extraordinary substance that sustains life, shapes our planet, and provides essential resources for our survival. Understanding and protectingthe delicate balance of air is crucial for the well-beingof both our planet and its inhabitants.中文回答：空气，一种无形却至关重要的元素，维持着地球上的生命，这是一种奇妙而复杂的物质。
空气的英文作文模板
空气的英文作文模板英文：Air is an essential element for our survival. It is a mixture of gases that surrounds the earth and provides us with the oxygen we need to breathe. However, the quality of the air we breathe is becoming increasingly concerning due to pollution.Pollution is caused by various factors such as industrialization, transportation, and human activities. These factors release harmful substances into the air, such as carbon monoxide and particulate matter, which can cause respiratory problems and other health issues.In order to improve the quality of the air we breathe, we must take action to reduce pollution. This can include using public transportation, carpooling, reducing energy consumption, and properly disposing of waste.Furthermore, planting trees and other vegetation can help to absorb pollutants and improve air quality. For example, in my hometown, a group of volunteers plantedtrees along the main road to reduce the amount of pollution from traffic.It is important for us to take responsibility for theair we breathe and make efforts to reduce pollution. By taking action, we can help to create a healthier environment for ourselves and future generations.中文：空气是我们生存所必需的元素。
围绕空气写一篇作文
围绕空气写一篇作文英文回答：Air is an essential element for all living beings on Earth. It is not only necessary for us to breathe, but it also plays a crucial role in various natural processes. From a scientific perspective, air is a mixture ofdifferent gases, mainly nitrogen, oxygen, carbon dioxide, and traces of other gases. It surrounds us everywhere, from the highest mountains to the deepest oceans.Air pollution is a major concern in today's world. The increase in industrialization and the burning of fossil fuels have led to the release of harmful pollutants into the atmosphere. These pollutants, such as carbon monoxide, sulfur dioxide, and particulate matter, can have detrimental effects on human health and the environment. For example, prolonged exposure to polluted air can lead to respiratory diseases like asthma and even lung cancer.Moreover, air pollution also affects the climate and contributes to global warming. The release of greenhouse gases, such as carbon dioxide, traps heat in the atmosphere, leading to the rise in temperature. This, in turn, resultsin melting glaciers, rising sea levels, and extreme weather events like hurricanes and droughts.To combat air pollution, various measures can be taken. First and foremost, reducing our reliance on fossil fuelsis crucial. Transitioning to renewable energy sources like solar and wind power can significantly reduce emissions. Additionally, implementing stricter regulations onindustrial emissions and promoting sustainabletransportation systems can also make a significant difference.中文回答：空气是地球上所有生物的必需元素。
空气是万物之源英文作文
空气是万物之源英文作文Air, the source of all things. It's invisible, but it's everywhere. We breathe it in without even thinking about it, but without it, we couldn't survive. Air is essential for life.The air we breathe is made up of different gases, including nitrogen, oxygen, and carbon dioxide. These gases are constantly moving and mixing, creating the air we needto live. Without this mixture of gases, our planet would be a very different place.Air is also important for the weather. It carries moisture from the oceans to the land, creating rain and snow. It also helps to distribute heat around the Earth, keeping some areas warm and others cool. Without air, the weather would be very different, and life as we know it would not be possible.In addition to its role in supporting life and theweather, air also plays a crucial role in transportation. Airplanes rely on air to generate lift and thrust, allowing them to fly through the sky. Without air, travel as we know it would be impossible.Air pollution is a serious problem in many parts of the world. Industrial processes, vehicle emissions, and other human activities release pollutants into the air, causing harm to both the environment and human health. It's important to take steps to reduce air pollution and protect the air we all depend on.In conclusion, air is truly the source of all things.It's essential for life, the weather, transportation, and so much more. We often take it for granted, but without it, the world would be a very different place. We should all appreciate and take care of the air that sustains us.。
围绕空气写一篇作文
围绕空气写一篇作文英文回答：Air is an indispensable component of life on Earth, playing a crucial role in our survival and well-being. Composed primarily of nitrogen (78%) and oxygen (21%), air provides the essential oxygen that sustains all aerobic organisms.The role of air in combustion is also pivotal. It is the oxygen in the air that reacts with fuel, releasing energy and heat. This process is essential for numerous industries, including power generation, transportation, and manufacturing. The flow of air through ventilation systems maintains indoor air quality by replenishing oxygen-depleted air and removing pollutants.Air also acts as a protective layer for our planet. The ozone layer in the stratosphere absorbs harmful ultraviolet (UV) radiation from the sun, preventing it from reachingthe Earth's surface. Additionally, air circulation patterns distribute heat and moisture across the globe, influencing weather and climate patterns.Furthermore, air is a medium for sound transmission. Sound waves are mechanical vibrations that travel through the air, allowing us to communicate and perceive our surroundings. The speed of sound in air is approximately 343 meters per second (1,235 kilometers per hour).Air has unique properties that make it essential for life as we know it. Its buoyancy allows birds and aircraft to fly. Its compressibility enables the operation of pneumatic systems and the development of technologies such as air brakes and shock absorbers. The transparency of air allows us to see through it, providing us with a clear view of our surroundings.In conclusion, air is a multifaceted and vital element that supports life on Earth. Its properties enable combustion, sustain life, protect the planet, transmit sound, and serve numerous technological applications. As weappreciate the significance of air, we must strive to preserve its quality and protect it from pollution for future generations.中文回答：空气是地球上生命不可缺少的组成部分，在我们的生存和健康中扮演着至关重要的角色。
关于空气英文作文
关于空气英文作文Air is essential for all living beings. It is the invisible substance that we breathe in and out every day without even thinking about it.The quality of the air we breathe can have asignificant impact on our health. Poor air quality can lead to respiratory problems, allergies, and other health issues.Air pollution is a major concern in many parts of the world. It is caused by the release of harmful substancesinto the air, such as carbon monoxide, sulfur dioxide, and nitrogen oxides.Indoor air quality is also important to consider. Many indoor environments can have poor air circulation, leadingto a buildup of pollutants and allergens.Plants play a crucial role in maintaining the qualityof the air we breathe. They absorb carbon dioxide andrelease oxygen, helping to keep the air clean and healthy.Fresh air can have a positive impact on our mental well-being. Going for a walk in the fresh air can help to clear our minds and improve our mood.In conclusion, air is a vital element that sustains life. We should all take steps to protect and improve the quality of the air around us.。
以空气为题写一篇作文
以空气为题写一篇作文英文回答：Air is an essential element of life. It surrounds us everywhere we go, and we rely on it for our very existence. From the moment we take our first breath to the last, air is always with us, providing us with the oxygen we need to survive.Air is invisible, yet it is everywhere. It fills our lungs, allowing us to speak, sing, and laugh. It carries the sound waves that enable us to communicate with one another. Without air, our voices would be silent, and our world would be devoid of the beautiful melodies of music.Not only does air sustain us physically, but it also has a profound impact on our emotions. Have you ever stepped outside on a sunny day and felt the gentle breeze brush against your skin? That feeling of freshness and freedom is brought to us by the air. It can uplift ourspirits and bring a sense of calm and tranquility.Air also plays a crucial role in the natural world. It carries seeds and pollen, allowing plants to reproduce and grow. It helps to circulate water vapor, forming clouds and bringing rain to nourish the Earth. Without air, the delicate balance of the ecosystem would be disrupted, and life as we know it would cease to exist.In addition to its life-sustaining properties, air can also be a powerful force of nature. Strong winds can uproot trees and cause destruction, while gentle breezes can carry a kite high into the sky. Air can be harnessed to power wind turbines and generate electricity, providing a clean and renewable energy source.Overall, air is a fundamental element that shapes our world in countless ways. It is both a silent companion and a powerful force. We often take it for granted, but without air, life as we know it would be impossible.中文回答：空气是生命的基本元素。
空气英文作文初中
空气英文作文初中Air is essential for life. We breathe it in and out every moment of our lives. It's invisible, but we can feel its presence all around us.The air we breathe is not always clean. In big cities, it's often polluted with car exhaust and industrial emissions. This can cause health problems for people, especially those with respiratory issues.Fresh air, on the other hand, is invigorating. It can make us feel alive and rejuvenated. Just taking a deep breath of fresh, clean air can make a world of difference in how we feel.Air also plays a crucial role in the Earth's climate. It circulates heat around the planet and helps regulate temperatures. Without it, the Earth would be a very different place.Sometimes, the air can be still and calm, barely moving a leaf on a tree. Other times, it can whip up into a powerful wind, causing chaos and destruction. It's a force to be reckoned with.Air also carries sound. It allows us to hear the birds singing, the wind rustling through the trees, and the laughter of children playing. It's the medium through which sound travels, bringing life to our ears.In conclusion, air is all around us, sustaining life and shaping our world in ways we may not even realize. It's a powerful and essential element that deserves our appreciation and protection.。
2019年高考英语满分作文 Air(空气)-精选word文档 (1页)
2019年高考英语满分作文 Air(空气)-精选word文档本文部分内容来自网络整理，本司不为其真实性负责，如有异议或侵权请及时联系，本司将立即删除！== 本文为word格式，下载后可方便编辑和修改！ ==高考英语满分作文 Air(空气)AirAir is all around us. Its around us as we walk and play. From the time we were born, air was around us on every side. When we sit down, it is around us. We live in air.All living things need air . Living things cant live withoutair . We can go without food or water for a few days but we cant live for more than a few minutes without air . We take in air . When we are working or running , we need more air . When we are asleep , we need less air .We live in air , but we can not see it .We can only feel it . We can feel it when it is moving . Moving air is called wind . How can you make air move ? Here is one way . Hold an open book in your hands in front of you . Close it quickly . What can you feel ? What you feel is the air .空气空气包围着我们，当我们走路和玩耍的时候，它在我们周围。
Air-空气,Air-空气范文_英语四级作文
Air-空气,Air-空气范文Air-空气AirThe air surrounding us is important to everyone. Without air, we could not exist. Everyone understands that. But air is ecessary in many other ways-- ways that are not always so obvious or widely known.For example, if we did not have air, there would be no sound, because sound travels through air. Without air there would be no fire. There would be no automobiles, since motors need air in order to operate.Without air, there would be no wind or clouds. There will be no weather. The night time would be very cold and the day time very hot. We woud be forced to seek shelter from the sun, as there would be no atmosphere to protect us from the sun's deadly rays.The atmosphere is all the air surrounding the earth. Atmospheric pressure is the weight of all the air against the surface of the earth. Many things on earth can not do without atmospheric pressure, as everyone knows. I won't give further examples.In one word, we can not live without air.[点评]空气的重要性人人皆知，但它是怎么个重要法，并不是每个人都清楚，本文具体讲述了空气在人们不大注意方面的重要性。
空气作文英语
空气作文英语Air: The Essential Element for Life。
Air is a vital element for life on Earth. It is a mixture of gases that surrounds our planet, providing us with the oxygen we need to breathe, regulating the temperature of the planet, and protecting us from harmful radiation from the sun. In this article, we will explore the importance of air and the impact of human activities on its quality.The Composition of Air。
Air is composed of several gases, with nitrogen and oxygen being the two most abundant. Nitrogen makes up about 78% of the air, while oxygen makes up about 21%. The remaining 1% is made up of other gases, including carbon dioxide, argon, neon, helium, and methane.Oxygen is essential for the survival of most livingorganisms, as it is used in the process of respiration. During respiration, oxygen is taken in by the body and used to produce energy, while carbon dioxide is released as a waste product. This process is vital for the survival ofall living organisms, including humans.The Importance of Air。
air英语作文
air英语作文Air, the invisible yet omnipresent element, plays a crucial role in our daily lives. It is not just a mixture of gases;it is the lifeblood of our planet, supporting all forms oflife and the environment. In this essay, I will discuss the significance of air, its composition, and the challenges we face in preserving its quality.The Composition of AirAir is a mixture of several gases, primarily nitrogen (78%) and oxygen (21%), with trace amounts of argon, carbon dioxide, and other gases. Oxygen, a vital component for human respiration, is essential for our survival. Nitrogen, whilenot directly used in respiration, is critical for plantgrowth and is a key component in the nitrogen cycle. The carbon dioxide, though present in small amounts, is crucialfor photosynthesis, the process by which plants convert sunlight into energy.Air and LifeWithout air, life as we know it would not exist. It provides the oxygen that we breathe, which is necessary for cellular respiration, a process that powers our bodies. The air also plays a role in regulating the Earth's temperature throughthe greenhouse effect, where certain gases, including carbon dioxide, trap heat and maintain a stable climate.Challenges in Air QualityDespite its importance, air quality is under threat. Industrialization and the burning of fossil fuels have led to an increase in air pollutants such as particulate matter, sulfur dioxide, and nitrogen oxides. These pollutants can cause respiratory problems, heart disease, and other health issues. Moreover, the increase in carbon dioxide levels contributes to global warming, a significant environmental concern.Efforts to Improve Air QualityGovernments and organizations worldwide are taking steps to improve air quality. Measures include implementing stricter emission standards for vehicles and industries, promoting the use of renewable energy sources, and encouraging public transportation. Additionally, education campaigns aim to raise awareness about the importance of clean air and the steps individuals can take to reduce their environmental impact.ConclusionIn conclusion, air is a precious resource that sustains life on Earth. Its composition and the delicate balance of its gases are essential for the health of our planet and its inhabitants. The challenges posed by air pollution and climate change are significant, but with concerted effortsand a commitment to sustainable practices, we can work towards a cleaner, healthier future for all.。
空气作文英语
空气作文英语Air is invisible, yet it is one of the most essential elements that sustain life on Earth. It is a mixture of gases that we breathe, and it plays a crucial role in the environment and in our daily lives.The Composition of AirAir is primarily composed of nitrogen (about 78%) and oxygen (about 21%). It also contains trace amounts of other gases such as argon, carbon dioxide, neon, and helium. The composition of air is vital for the survival of living organisms. Oxygen is necessary for respiration, while nitrogen, although not directly used by the body, isessential for various biological processes.The Importance of Clean AirClean air is essential for our health. Pollutants such as carbon monoxide, sulfur dioxide, and particulate matter can have detrimental effects on our respiratory system andoverall health. Efforts to reduce air pollution through regulations and the development of cleaner technologies are crucial in maintaining air quality.The Role of Air in WeatherAir plays a significant role in the Earth's weather patterns.The movement of air masses, along with temperature and humidity variations, leads to the formation of different weather conditions. Understanding these patterns helps in predicting weather and preparing for natural events like storms and hurricanes.Air TravelThe invention of the airplane revolutionized the way we travel. Air travel allows us to cross continents and oceansin a matter of hours, connecting people and cultures in ways that were unimaginable in the past. It has also become a major industry, contributing significantly to the global economy.Conservation of AirWith the increasing awareness of environmental issues, the conservation of air has become a priority. This includes efforts to reduce greenhouse gas emissions, which contribute to global warming and climate change. Initiatives such as planting trees, using renewable energy sources, and promoting energy efficiency are part of the global effort to conserve air quality.ConclusionIn conclusion, air is a vital resource that supports life and shapes our world in many ways. From the oxygen we breathe to the weather patterns that influence our lives, air is asilent yet powerful force. It is our responsibility toprotect and preserve the air we breathe for the health of our planet and future generations.。
关于空气英文作文
关于空气英文作文空气是我们生活中必不可少的东西，它对我们的生存至关重要。
首先，空气提供我们呼吸所需的氧气，没有空气，我们就无法生存。
此外，空气还能带走我们呼吸时产生的二氧化碳，保持空气清新。
英文回答：Air is essential for our survival. It provides us with the oxygen we need to breathe. Without air, we wouldn't be able to live. In addition, air also removes the carbon dioxide we produce when we breathe, keeping the air fresh.中文回答：空气对我们的生存至关重要。
它提供我们呼吸所需的氧气。
没有空气，我们就无法生存。
此外，空气还能带走我们呼吸时产生的二氧化碳，保持空气清新。
除了提供氧气和清新空气外，空气还有其他重要的功能。
例如，它能够传播声音，让我们能够交流。
另外，空气还能够传播气味，让我们能够感知到不同的气味。
比如，当我走进厨房，我能够闻到新鲜烤面包的香味，这都是因为空气的传播作用。
英文回答：In addition to providing oxygen and fresh air, air also has other important functions. For example, it can transmit sound, allowing us to communicate. Furthermore, air canalso transmit odors, allowing us to perceive different smells. For instance, when I walk into the kitchen, I can smell the aroma of freshly baked bread, all thanks to the transmission of air.中文回答：除了提供氧气和清新空气外，空气还有其他重要的功能。
空气英语作文带翻译
空气英语作文带翻译空气英语作文带翻译在日复一日的、工作或中，大家总免不了要接触或使用作文吧，作文根据体裁的不同可以分为记叙文、说明文、应用文、议论文。
那么你知道一篇好的作文该怎么写吗？下面是的空气作文带翻译，仅供参考，大家一起来看看吧。
Air is all around us. It is around us as we walk and play. From the time we were born air is around us on every side. When we sit down, it is around us. When we go to bed, air is also around us. We live in air. We can live without food or water for a few days, but we cannot live for more than a few minutes without air. We take in air. When we are working or running we need more air. When we are asleep, we need less air. We live in air, but we cannot see it. We can only feel it when it is moving. Moving air is called wind. How can we make air move? Here is one way. Hold an open book in front of your face, close it quickly. What can you feel? What you feel is air.空气就在我们周围，在我们散步和玩耍的时候四处存在。
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Air(空气)_1200 字
Air
Air is all around us. It's around us as we walk and play. From the time we were born,
air was around us on every side. When we sit down, it is around us. We live in air.
All living things need air. Living things can't live without air. We can go without food or water for a few days but we can't live for more than a few minutes without air. We take in air. When we are working or running, we need more air. When we are asleep, we
need less air.
We live in air, but we can not see it.
We can only feel it. We can feel it when it is moving. Moving air is called wind. How can you make air move? Here is one way. Hold an open book in your hands in front of you. Close
it quickly. What can you feel? What you feel is the air.
空气
空气包围着我们，当我们走路和玩耍的时候，它在我们周围。
从我们诞生之日起，
空气就在我们周围了。
当我们坐下时，它在我们身边。
我们生活在空气中。
所有生物都需要空气，没有空气生物就不能生存。
没有水和食物，我们可以生存几
天，但是没有空气几分钟我们都无法生存。
我们吸进空气。
当我们工作或跑步时，需
要较多空气。
当我们睡着时，需要的空气会少一些。
我们生活在空气中，但我们看不见它。
我们只能感觉到。
当空气运行时，我们可以感觉到它。
运动的空气形成风。
你怎样
使空气运动呢?有一种办法，手中拿一本展开的书放在面前，快速合上书，你能感觉到
1。