air current

简明释义

气流

英英释义

A flow of air that moves in a specific direction, often caused by temperature differences or pressure changes in the atmosphere.

一种朝特定方向移动的空气流动,通常由大气中的温度差异或压力变化引起。

例句

1.Hot air rises and creates an air current (气流) that can affect weather patterns.

热空气上升,形成的气流(air current)会影响天气模式。

2.The bird soared effortlessly, riding the air current (气流) to gain altitude.

那只鸟轻松地飞翔,借助气流(air current)获得高度。

3.In summer, the air current (气流) can make a hot day feel more bearable.

在夏天,气流(air current)可以使炎热的日子变得更容易忍受。

4.Pilots must be aware of the air current (气流) patterns when flying to ensure safety.

飞行员在飞行时必须了解气流(air current)模式以确保安全。

5.The air current (气流) from the fan helped cool the room quickly.

风扇产生的气流(air current)迅速帮助房间降温。

作文

The phenomenon of air current is an essential aspect of our atmosphere that plays a significant role in weather patterns and climate. Understanding air current can help us appreciate the intricate systems that govern our daily weather, from gentle breezes to powerful storms. Air current refers to the movement of air within the Earth's atmosphere, which can occur on various scales, from local winds to vast global circulations. These movements are primarily driven by the uneven heating of the Earth's surface by the sun, causing variations in temperature and pressure. When the sun heats the Earth's surface, some areas become hotter than others. For example, land heats up more quickly than water. This temperature difference creates regions of high and low pressure, leading to the movement of air from high-pressure areas to low-pressure areas, resulting in air currents. These currents not only affect local weather but also influence larger climatic conditions. One of the most well-known examples of air currents is the trade winds, which blow from east to west near the equator. These winds are a result of the Coriolis effect, which causes moving air to turn and twist due to the rotation of the Earth. The trade winds play a crucial role in ocean currents and the overall climate of tropical regions. In addition to trade winds, there are also other types of air currents such as westerlies and polar easterlies. Westerlies, which blow from west to east in the mid-latitudes, are responsible for many of the weather patterns experienced in temperate regions. On the other hand, polar easterlies are cold winds that flow from the poles towards the equator, contributing to the frigid temperatures found in polar areas. The study of air currents is vital for meteorologists, as it helps them predict weather changes and understand the dynamics of storms. For instance, hurricanes are heavily influenced by air currents in the atmosphere. The warm, moist air rising from the ocean surface interacts with cooler air above, creating the conditions necessary for storm development. Meteorologists use satellite data and computer models to track these air currents and forecast the path and intensity of hurricanes, which is crucial for public safety. Moreover, air currents also have implications beyond just weather forecasting. They play a significant role in aviation, as pilots must consider air currents when planning flight paths. Strong air currents, such as jet streams, can affect fuel consumption and travel times. Understanding these currents allows pilots to optimize their routes for efficiency and safety. In conclusion, the concept of air current encompasses a wide range of atmospheric phenomena that are integral to our understanding of weather and climate. From influencing local breezes to shaping global weather patterns, air currents are a fundamental aspect of our environment. As we continue to study and monitor these currents, we gain valuable insights into the complex interactions that govern our planet's atmosphere. By appreciating the significance of air currents, we can better prepare for the weather and understand the changes occurring in our climate.

空气流动现象是我们大气的重要方面,对天气模式和气候起着重要作用。理解空气流动可以帮助我们欣赏主宰我们日常天气的复杂系统,从温和的微风到强大的风暴。空气流动指的是地球大气中空气的运动,这种运动可以在不同的尺度上发生,从局部风到广泛的全球环流。这些运动主要由太阳对地球表面不均匀的加热驱动,导致温度和压力的变化。当太阳加热地球表面时,一些地区变得比其他地区更热。例如,陆地加热速度比水快。这种温度差异创造了高压和低压区域,导致空气从高压区域流向低压区域,从而形成空气流动。这些气流不仅影响局部天气,还影响更大气候条件。空气流动最著名的例子之一是信风,它们在赤道附近从东向西吹。这些风是科里奥利效应的结果,导致由于地球的自转,移动的空气发生转向和扭曲。信风在海洋洋流和热带地区的整体气候中起着至关重要的作用。除了信风,还有其他类型的空气流动,如西风和极地东风。西风在中纬度地区从西向东吹,负责许多温带地区的天气模式。另一方面,极地东风是从极地向赤道流动的冷风,导致极地地区的寒冷气温。空气流动的研究对气象学家至关重要,因为它帮助他们预测天气变化并理解风暴的动态。例如,飓风受到大气中空气流动的重大影响。来自海洋表面的温暖潮湿的空气与上方较冷的空气相互作用,创造出风暴发展的必要条件。气象学家利用卫星数据和计算机模型跟踪这些空气流动,并预测飓风的路径和强度,这对公众安全至关重要。此外,空气流动在航空领域也有重要意义,因为飞行员在规划航线时必须考虑空气流动。强烈的空气流动,例如喷流,可以影响燃料消耗和旅行时间。理解这些气流使飞行员能够优化航线以提高效率和安全性。总之,空气流动的概念涵盖了一系列大气现象,这些现象对我们理解天气和气候至关重要。从影响局部微风到塑造全球天气模式,空气流动是我们环境的基本方面。随着我们继续研究和监测这些气流,我们获得了有关支配我们星球大气复杂相互作用的宝贵见解。通过欣赏空气流动的重要性,我们可以更好地为天气做好准备,并理解我们气候中发生的变化。