atmospheric pressure

简明释义

大气压

英英释义

例句

1.As you climb a mountain, the atmospheric pressure decreases, which can affect your breathing.

当你爬山时，大气压力下降，这可能会影响你的呼吸。

2.A vacuum cleaner works by creating a low atmospheric pressure inside its container.

吸尘器通过在其容器内部产生低大气压力来工作。

3.Scientists study atmospheric pressure to predict weather patterns more accurately.

科学家研究大气压力以更准确地预测天气模式。

4.The weather balloon ascended rapidly, as it was designed to measure changes in atmospheric pressure.

这个气象气球迅速上升，因为它旨在测量大气压力的变化。

5.The atmospheric pressure at sea level is approximately 1013 hPa.

海平面的大气压力约为1013 hPa。

作文

Understanding the concept of atmospheric pressure is essential for various fields, including meteorology, aviation, and even everyday life. Atmospheric pressure refers to the force exerted by the weight of air above a surface area. This pressure is not constant; it changes with altitude, weather conditions, and temperature. For instance, as one ascends a mountain, the atmospheric pressure decreases because there is less air above that point to exert force. This phenomenon can lead to various physiological effects on the human body, such as altitude sickness, which occurs when individuals ascend too rapidly without allowing their bodies to acclimatize to the lower atmospheric pressure.In meteorology, understanding atmospheric pressure is critical for predicting weather patterns. High-pressure systems are typically associated with clear skies and fair weather, while low-pressure systems often bring clouds and precipitation. Meteorologists use barometers to measure atmospheric pressure, and these readings help them forecast upcoming weather conditions. For example, a sudden drop in atmospheric pressure can indicate an approaching storm, prompting people to prepare accordingly.In aviation, pilots must also be acutely aware of atmospheric pressure. Aircraft are designed to operate efficiently at specific altitudes where atmospheric pressure is optimal for flight. As planes ascend, the decrease in atmospheric pressure affects lift and engine performance. Pilots receive real-time data about atmospheric pressure to ensure safe takeoffs and landings. Understanding how atmospheric pressure influences flight dynamics is crucial for maintaining safety in the skies.Moreover, atmospheric pressure plays a vital role in our daily lives. It influences the boiling point of water; at higher altitudes, where atmospheric pressure is lower, water boils at a lower temperature. This principle is why cooking times may vary when preparing food in mountainous regions. Additionally, atmospheric pressure affects the way we experience weather; for example, when atmospheric pressure drops, many people report feeling tired or experiencing headaches, which can be attributed to the body's response to changes in pressure.In conclusion, the significance of atmospheric pressure cannot be overstated. It impacts weather forecasting, aviation safety, and even our health and cooking practices. By understanding the principles behind atmospheric pressure, we can better navigate the challenges it presents in various aspects of life. As we continue to study and learn about this fundamental concept, we can appreciate the intricate ways in which atmospheric pressure shapes our environment and experiences.

理解大气压的概念对于气象学、航空以及日常生活等多个领域至关重要。大气压是指空气在某一表面上施加的重量所产生的力量。这种压力并不是恒定的；它会随着海拔、天气条件和温度而变化。例如，当一个人爬山时，大气压会减少，因为在该点上方的空气较少，施加的力量也就减小了。这种现象可能导致人体的各种生理反应，比如高原反应，这种情况发生在个体迅速上升而未能让身体适应较低的大气压时。在气象学中，理解大气压对于预测天气模式至关重要。高压系统通常与晴朗的天空和良好的天气相关，而低压系统则常常带来云层和降水。气象学家使用气压计来测量大气压，这些读数帮助他们预测即将到来的天气条件。例如，大气压的突然下降可能意味着一场风暴即将来临，促使人们做好相应的准备。在航空领域，飞行员也必须对大气压保持高度敏感。飞机被设计为在特定的海拔高度有效运行，在那里大气压对飞行是最优的。随着飞机的升高，大气压的降低会影响升力和发动机性能。飞行员实时接收关于大气压的数据，以确保安全的起飞和着陆。理解大气压如何影响飞行动态对于维护空中安全至关重要。此外，大气压在我们的日常生活中也发挥着重要作用。它影响水的沸点；在高海拔地区，由于大气压较低，水在较低的温度下就会沸腾。这一原理就是为什么在山区做饭时，烹饪时间可能会有所不同。此外，大气压还影响我们体验天气的方式；例如，当大气压下降时，许多人报告感到疲倦或头痛，这可以归因于身体对压力变化的反应。总之，大气压的重要性不容小觑。它影响天气预测、航空安全，甚至我们的健康和烹饪实践。通过理解大气压背后的原理，我们可以更好地应对生活中它带来的挑战。随着我们继续研究和学习这一基本概念，我们可以欣赏到大气压在塑造我们环境和体验方面的复杂方式。