atmospheric pressure

简明释义

大气压力

英英释义

例句

1.A vacuum pump removes air, creating a space with lower atmospheric pressure 大气压力.

真空泵抽走空气，创造出一个具有较低大气压力 atmospheric pressure 的空间。

2.Meteorologists often measure atmospheric pressure 大气压力 to predict weather changes.

气象学家经常测量大气压力 atmospheric pressure 来预测天气变化。

3.The atmospheric pressure 大气压力 affects how quickly water boils.

大气压力 atmospheric pressure 影响水的沸腾速度。

4.When flying, pilots must adjust their instruments for changes in atmospheric pressure 大气压力.

飞行时，飞行员必须调整他们的仪器以应对大气压力 atmospheric pressure 的变化。

5.The balloon expanded as the atmospheric pressure 大气压力 decreased at higher altitudes.

随着高度增加，大气压力 atmospheric pressure 降低，气球膨胀了。

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 molecules in the atmosphere on a given surface area. This pressure varies with altitude; as one ascends into the atmosphere, the atmospheric pressure decreases because there are fewer air molecules above a given point. In meteorology, atmospheric pressure plays a crucial role in weather patterns. High-pressure systems are typically associated with clear skies and calm weather, while low-pressure systems can lead to cloudy skies and precipitation. Understanding these systems helps meteorologists predict weather changes and inform the public about upcoming conditions. For instance, when a low-pressure system approaches, it often indicates that rain or storms may follow. In aviation, pilots must constantly monitor atmospheric pressure as it affects flight performance. Aircraft altimeters, which measure altitude, rely on atmospheric pressure readings to determine how high an aircraft is flying. If a pilot does not adjust for changes in atmospheric pressure due to weather conditions or altitude changes, it could result in dangerous situations, such as flying too low or crashing during landing. Therefore, understanding and adjusting for atmospheric pressure is vital for safe flying. Moreover, atmospheric pressure impacts our daily lives in ways we might not immediately recognize. For example, when you open a soda can, the sudden release of atmospheric pressure causes the carbon dioxide gas dissolved in the liquid to escape, resulting in fizzing. Similarly, when cooking, atmospheric pressure affects boiling points. At higher elevations, where the atmospheric pressure is lower, water boils at a lower temperature, which can affect cooking times and methods. Additionally, atmospheric pressure can influence human health. Some people are sensitive to changes in atmospheric pressure, experiencing headaches or joint pain when a storm approaches. This sensitivity is often linked to the body's response to changes in the environment, reminding us that we are all affected by the forces around us. In conclusion, the concept of atmospheric pressure is not only fundamental in scientific fields but also has practical implications in our everyday lives. From predicting the weather to ensuring safe flights and influencing cooking practices, atmospheric pressure is an omnipresent force that shapes our world. By understanding atmospheric pressure, we can better appreciate the complexities of our environment and make informed decisions in various aspects of life.

理解大气压力的概念对于气象学、航空学甚至日常生活都至关重要。大气压力是指大气中空气分子在给定表面上施加的力。这种压力随高度变化；随着人们向大气中升高，大气压力减小，因为在给定点上方的空气分子更少。在气象学中，大气压力在天气模式中起着至关重要的作用。高压系统通常与晴朗的天空和宁静的天气相关，而低压系统可能导致多云的天空和降水。理解这些系统帮助气象学家预测天气变化，并通知公众即将到来的天气情况。例如，当低压系统逼近时，通常意味着雨水或风暴可能会随之而来。在航空领域，飞行员必须不断监测大气压力，因为它影响飞行性能。飞机高度计依赖于大气压力读数来确定飞机飞行的高度。如果飞行员不根据天气条件或高度变化调整大气压力，可能会导致危险情况，例如飞得太低或在着陆时坠毁。因此，理解和调整大气压力对于安全飞行至关重要。此外，大气压力在我们的日常生活中以我们可能没有立即意识到的方式影响着我们。例如，当你打开一罐汽水时，大气压力的突然释放使液体中溶解的二氧化碳气体逸出，产生嘶嘶声。同样，在烹饪时，大气压力会影响沸点。在较高的海拔地区，由于大气压力较低，水在较低的温度下沸腾，这可能会影响烹饪时间和方法。此外，大气压力还可能影响人类健康。有些人对大气压力的变化敏感，在暴风雨来临时会感到头痛或关节疼痛。这种敏感性通常与身体对环境变化的反应有关，提醒我们所有人都受到周围力量的影响。总之，大气压力的概念不仅在科学领域是基础，而且在我们日常生活中具有实际意义。从预测天气到确保安全飞行，再到影响烹饪实践，大气压力是塑造我们世界的无处不在的力量。通过理解大气压力，我们可以更好地欣赏我们环境的复杂性，并在生活的各个方面做出明智的决定。