air pressure
简明释义
1. 大气压; 2. 风压; 3. 大气压力; 4. 气压;
英英释义
The force exerted by the weight of air above a surface, typically measured in units such as pascals or atmospheres. | 由空气上方的重量对表面施加的力,通常以帕斯卡或大气压等单位测量。 |
例句
1.The tire's air pressure should be checked regularly for optimal performance.
轮胎的气压应定期检查,以获得最佳性能。
2.A sudden change in air pressure can cause headaches for some people.
气压的突然变化可能会导致一些人头痛。
3.The weather forecast indicated that the air pressure will drop, leading to possible rain.
天气预报显示气压将下降,可能会下雨。
4.An increase in air pressure usually indicates fair weather.
气压的增加通常表示天气晴朗。
5.Pilots need to monitor air pressure levels to ensure safe flying conditions.
飞行员需要监测气压水平,以确保安全的飞行条件。
作文
Air pressure is a fundamental concept in meteorology and physics that refers to the force exerted by the weight of air molecules in the atmosphere. Understanding air pressure (气压) is crucial for predicting weather patterns and understanding various natural phenomena. The atmosphere is composed of a mixture of gases, primarily nitrogen and oxygen, which exert pressure on everything they come into contact with. This pressure can vary significantly depending on altitude, temperature, and humidity. At sea level, the average air pressure (气压) is approximately 1013.25 hPa (hectopascals), but as one ascends to higher altitudes, such as in mountainous regions, the air pressure (气压) decreases. This decrease in pressure is why it can be more challenging to breathe at high elevations, as there are fewer air molecules available to inhale. Meteorologists use air pressure (气压) readings from barometers to forecast the weather. High air pressure (气压) systems are typically associated with clear skies and stable weather conditions, while low air pressure (气压) systems often lead to cloud formation and precipitation. For example, when a low-pressure system moves into an area, it can bring rain and storms, whereas a high-pressure system might result in sunny days. The relationship between air pressure (气压) and weather is not only fascinating but also essential for various activities, including aviation, sailing, and even sports. Pilots must understand air pressure (气压) changes during flight to ensure safety and efficiency. For instance, as a plane climbs higher into the sky, the air pressure (气压) decreases, which affects the aircraft's performance and requires adjustments in engine power and wing configuration. Additionally, air pressure (气压) plays a significant role in our daily lives. It influences how we feel physically; for instance, some people experience headaches or fatigue during rapid changes in air pressure (气压). This phenomenon is often felt during weather transitions, such as before a storm. Moreover, air pressure (气压) is also important in scientific experiments and industrial applications. In laboratories, scientists manipulate air pressure (气压) to study the behavior of gases and liquids under different conditions. In manufacturing, maintaining specific air pressure (气压) levels can be critical for processes like packaging, where vacuum sealing is used to preserve food products. In conclusion, air pressure (气压) is a vital component of our atmosphere that impacts not only weather patterns but also various aspects of our daily lives and industrial practices. By understanding air pressure (气压), we can better prepare for weather changes, enhance safety in aviation, and conduct scientific research more effectively. As we continue to study the atmosphere and its properties, the significance of air pressure (气压) will undoubtedly remain a key focus in both science and everyday life.
气压是气象学和物理学中的一个基本概念,指的是大气中空气分子的重量所施加的力。理解气压(air pressure)对于预测天气模式和理解各种自然现象至关重要。大气由一混合气体组成,主要是氮气和氧气,这些气体对它们接触的一切施加压力。这种压力会因高度、温度和湿度而显著变化。在海平面上,平均气压(air pressure)约为1013.25 hPa(百帕),但随着人们攀登到更高的高度,例如在山区,气压(air pressure)会下降。这种压力的降低就是为什么在高海拔地区呼吸会更加困难,因为可吸入的空气分子减少。气象学家利用气压计的气压(air pressure)读数来预测天气。高气压(air pressure)系统通常与晴朗的天空和稳定的天气条件相关,而低气压(air pressure)系统则常常导致云层形成和降水。例如,当一个低压系统移动到一个地区时,它可能会带来雨水和风暴,而高压系统可能会导致阳光明媚的日子。气压(air pressure)与天气之间的关系不仅令人着迷,而且对航空、航海甚至体育等各种活动至关重要。飞行员必须了解飞行过程中气压(air pressure)的变化,以确保安全和效率。例如,当飞机爬升到空中时,气压(air pressure)会下降,这会影响飞机的性能,并需要调整发动机功率和机翼配置。此外,气压(air pressure)在我们的日常生活中也发挥着重要作用。它影响我们身体的感觉;例如,在气压(air pressure)快速变化期间,一些人会感到头痛或疲劳。这种现象通常在天气变化时感受到,例如在暴风雨来临之前。此外,气压(air pressure)在科学实验和工业应用中也很重要。在实验室中,科学家操纵气压(air pressure)以研究气体和液体在不同条件下的行为。在制造业中,维持特定的气压(air pressure)水平对于诸如包装等过程可能至关重要,在这种情况下,真空密封用于保存食品产品。总之,气压(air pressure)是我们大气中一个重要的组成部分,它不仅影响天气模式,还影响我们日常生活和工业实践的各个方面。通过理解气压(air pressure),我们可以更好地为天气变化做准备,提高航空安全,并更有效地进行科学研究。随着我们继续研究大气及其特性,气压(air pressure)的重要性无疑将继续成为科学和日常生活中的一个关键焦点。
相关单词