atmospheric pressure

简明释义

大气压

英英释义

The pressure exerted by the weight of the atmosphere at a given point, typically measured in units such as pascals or millibars.

在某一点上,由大气的重量施加的压力,通常以帕斯卡或毫巴等单位测量。

例句

1.As you climb a mountain, the atmospheric pressure 大气压力 drops significantly.

当你爬山时,大气压力显著下降。

2.Meteorologists use changes in atmospheric pressure 大气压力 to predict weather patterns.

气象学家利用大气压力的变化来预测天气模式。

3.The balloon expanded because the atmospheric pressure 大气压力 outside decreased.

由于外部的大气压力减少,气球膨胀了。

4.A vacuum cleaner works by creating a lower atmospheric pressure 大气压力 inside its container.

吸尘器通过在其容器内创造较低的大气压力来工作。

5.The atmospheric pressure 大气压力 at sea level is about 1013 hPa.

海平面的大气压力约为1013 hPa。

作文

Atmospheric pressure, defined as the weight of the air above a given point, plays a crucial role in various natural phenomena and human activities. It is the force exerted by the weight of air molecules in the Earth's atmosphere. This pressure is not constant; it varies with altitude, weather conditions, and temperature. At sea level, the average atmospheric pressure (大气压) is about 1013.25 hPa (hectopascals), which is equivalent to 1 atmosphere. As one ascends to higher altitudes, the atmospheric pressure (大气压) decreases because there is less air above to exert pressure. This phenomenon can be observed when climbing mountains or flying in an airplane, where individuals may experience a change in their bodies due to lower atmospheric pressure (大气压). The significance of atmospheric pressure (大气压) extends beyond just physical effects on the human body. It influences weather patterns and climate. High atmospheric pressure (大气压) typically indicates fair weather, while low atmospheric pressure (大气压) often leads to stormy conditions. Meteorologists closely monitor these changes to predict weather events, helping communities prepare for potential storms or heatwaves. For instance, a sudden drop in atmospheric pressure (大气压) can signal the approach of a cyclone or hurricane, allowing people to take necessary precautions. In addition to its impact on weather, atmospheric pressure (大气压) is also crucial in various scientific fields, including physics and chemistry. The behavior of gases, for example, is significantly affected by changes in atmospheric pressure (大气压). According to Boyle's Law, the volume of a gas is inversely proportional to the pressure exerted on it, assuming temperature remains constant. This principle is vital in understanding how gases behave under different atmospheric pressure (大气压) conditions, which has practical applications in fields such as engineering and environmental science. Moreover, atmospheric pressure (大气压) affects everyday life in numerous ways. It influences the boiling point of water; at higher altitudes, water boils at a lower temperature due to reduced atmospheric pressure (大气压). This is why cooking times may vary when preparing food in mountainous regions. Additionally, the design of buildings and vehicles must consider atmospheric pressure (大气压) to ensure safety and efficiency. Aircraft, for instance, are engineered to withstand changes in atmospheric pressure (大气压) during flight, ensuring passenger comfort and structural integrity. In conclusion, atmospheric pressure (大气压) is a fundamental concept that impacts various aspects of life on Earth. From influencing weather patterns and scientific principles to affecting daily activities and engineering designs, understanding atmospheric pressure (大气压) is essential. As we continue to explore our planet and the forces that shape it, recognizing the importance of atmospheric pressure (大气压) will enhance our comprehension of both natural and human-made systems.

大气压被定义为在某一点上方空气的重量,它在各种自然现象和人类活动中发挥着至关重要的作用。它是由地球大气中的空气分子重量所施加的力。这种压力并不是恒定的;它会随着海拔、天气条件和温度的变化而变化。在海平面上,平均大气压(atmospheric pressure)约为1013.25 hPa(百帕斯卡),相当于1个大气压。当人们向更高的海拔攀登时,大气压(atmospheric pressure)会降低,因为上方的空气较少,从而施加的压力减少。这种现象可以在爬山或乘坐飞机时观察到,此时个体可能会因较低的大气压(atmospheric pressure)而经历身体上的变化。大气压(atmospheric pressure)的重要性不仅限于对人体的物理影响。它还影响天气模式和气候。高大气压(atmospheric pressure)通常表示良好的天气,而低大气压(atmospheric pressure)往往导致暴风雨天气。气象学家密切监测这些变化,以预测天气事件,帮助社区为潜在的风暴或热浪做好准备。例如,大气压(atmospheric pressure)的突然下降可能预示着气旋或飓风的来临,从而使人们能够采取必要的预防措施。除了对天气的影响外,大气压(atmospheric pressure)在物理学和化学等多个科学领域也至关重要。气体的行为受到大气压(atmospheric pressure)变化的显著影响。根据波义耳定律,在温度保持不变的情况下,气体的体积与施加在其上的压力成反比。这个原理对于理解气体在不同大气压(atmospheric pressure)条件下的行为至关重要,这在工程和环境科学等领域具有实际应用。此外,大气压(atmospheric pressure)在日常生活中以多种方式影响着我们。它影响水的沸点;在较高的海拔,水在较低的温度下沸腾,因为大气压(atmospheric pressure)降低。这就是为什么在山区烹饪时,食物的烹饪时间可能会有所不同。此外,建筑物和车辆的设计必须考虑大气压(atmospheric pressure),以确保安全和效率。例如,飞机的设计需能承受飞行过程中大气压(atmospheric pressure)的变化,从而确保乘客的舒适和结构的完整性。总之,大气压(atmospheric pressure)是一个基本概念,影响着地球上生活的各个方面。从影响天气模式和科学原理,到影响日常活动和工程设计,理解大气压(atmospheric pressure)是至关重要的。随着我们继续探索我们的星球及其塑造力量,认识到大气压(atmospheric pressure)的重要性将增强我们对自然和人造系统的理解。

相关单词

atmospheric

atmospheric详解:怎么读、什么意思、用法

pressure

pressure详解:怎么读、什么意思、用法