air current

简明释义

气流

英英释义

A flow of air, typically caused by differences in temperature and pressure in the atmosphere.

空气的流动,通常由大气中的温度和压力差异引起。

例句

1.Pilots must be aware of air currents to ensure a safe and smooth flight.

飞行员必须了解气流以确保安全平稳的飞行。

2.The bird soared effortlessly on the air current, making it look like flying was the easiest thing in the world.

那只鸟在气流中轻松翱翔,让飞行看起来是世界上最简单的事情。

3.He noticed that the air current was stronger near the cliffs, making it a popular spot for hang gliders.

他注意到在悬崖附近的气流更强,这使这里成为悬挂滑翔者的热门地点。

4.During the hot summer days, we often feel a refreshing air current coming from the ocean.

在炎热的夏天,我们经常能感受到来自海洋的清爽气流

5.The air current caused the kite to rise high into the sky.

这股气流使风筝高高飞起。

作文

The phenomenon of air current (气流) is a fascinating aspect of our atmosphere that plays a crucial role in weather patterns and climate. Understanding air currents (气流) can help us predict weather changes, navigate long flights, and even understand the migration patterns of birds. Air currents are essentially movements of air that occur in the Earth's atmosphere. These currents can be caused by various factors, including temperature differences, the Earth's rotation, and the uneven heating of the Earth's surface by the sun. For instance, during the day, land heats up faster than water, creating a difference in air pressure that leads to the formation of air currents (气流). This process is known as convection, where warm air rises and cooler air moves in to replace it, creating a continuous flow of air. One of the most well-known examples of air currents (气流) is the jet stream. The jet stream is a fast-flowing ribbon of air high in the atmosphere that can influence weather systems across vast distances. It can move from west to east and can change its position and strength depending on the season and weather conditions. Pilots often take advantage of the jet stream to save fuel and time on long flights, demonstrating the practical importance of understanding air currents (气流). In addition to their impact on aviation, air currents (气流) also play a significant role in the dispersal of pollutants and seeds. For example, when a forest fire occurs, the rising air currents (气流) can carry smoke and ash over great distances, affecting air quality far from the source of the fire. Similarly, seeds carried by air currents (气流) can help in plant reproduction and the spread of species, showcasing the interconnectedness of ecosystems. Moreover, air currents (气流) are essential for the global climate system. They help distribute heat around the planet, influencing regional climates and weather patterns. For instance, the trade winds and westerlies are major air currents (气流) that affect tropical and temperate regions, respectively. Understanding these patterns can help scientists predict climate changes and develop strategies to mitigate the effects of global warming. In conclusion, air currents (气流) are more than just simple breezes; they are complex systems that have profound effects on our environment and daily lives. From influencing weather patterns to aiding in navigation and seed dispersal, the study of air currents (气流) is vital in many fields, including meteorology, ecology, and aviation. As we continue to learn more about the dynamics of our atmosphere, we will better understand how to harness the power of air currents (气流) for the benefit of our planet and its inhabitants.

气流现象是我们大气中一个迷人的方面,在天气模式和气候中扮演着至关重要的角色。理解气流可以帮助我们预测天气变化、导航长途飞行,甚至理解鸟类的迁徙模式。气流本质上是发生在地球大气中的空气运动。这些气流可以由多种因素引起,包括温度差异、地球的自转以及太阳对地球表面的不均匀加热。例如,在白天,陆地加热速度快于水,造成气压差异,从而形成气流。这个过程被称为对流,温暖的空气上升,较冷的空气移动来替代它,形成持续的空气流动。最著名的气流之一是喷流。喷流是在高空快速流动的空气带,可以影响大范围的天气系统。它可以从西向东移动,并且根据季节和天气条件的不同而改变位置和强度。飞行员常常利用喷流来节省燃料和时间,这展示了理解气流的实际重要性。除了对航空的影响外,气流还在污染物和种子的扩散中发挥着重要作用。例如,当森林火灾发生时,上升的气流可以将烟雾和灰烬带到很远的地方,影响远离火源的空气质量。同样,气流携带的种子可以帮助植物繁殖和物种扩散,展示了生态系统之间的相互联系。此外,气流对于全球气候系统至关重要。它们有助于在地球上分配热量,影响区域气候和天气模式。例如,信风和西风是主要的气流,分别影响热带和温带地区。理解这些模式可以帮助科学家预测气候变化,并制定减缓全球变暖影响的策略。总之,气流不仅仅是简单的微风;它们是复杂的系统,对我们的环境和日常生活产生深远影响。从影响天气模式到辅助导航和种子传播,气流的研究在气象学、生态学和航空等多个领域都是至关重要的。随着我们继续了解大气的动态,我们将更好地理解如何利用气流的力量来造福我们的星球及其生物。