air pressure

简明释义

空气压力

英英释义

例句

1.The weather forecast predicts a drop in air pressure 气压, which may lead to rain.

天气预报预测气压会下降，这可能会导致降雨。

2.Pilots must monitor air pressure 气压 during flights to ensure safety.

飞行员在飞行过程中必须监测气压以确保安全。

3.A tire needs the right air pressure 气压 for optimal performance.

轮胎需要合适的气压以达到最佳性能。

4.When climbing a mountain, the air pressure 气压 decreases significantly.

攀登山峰时，气压会显著降低。

5.High air pressure 气压 usually indicates clear skies and sunny weather.

高气压通常意味着晴朗的天空和阳光明媚的天气。

作文

Air pressure, also known as atmospheric pressure, is the force exerted onto a surface by the weight of the air above that surface in the atmosphere of Earth (or that of another planet). Understanding air pressure (气压) is crucial for various fields, including meteorology, aviation, and even everyday activities like cooking. It plays a significant role in weather patterns, influencing conditions such as wind, rain, and temperature. One of the most fascinating aspects of air pressure (气压) is its variability. It changes with altitude; as one ascends a mountain, the air pressure (气压) decreases. This is why mountaineers often experience difficulty breathing at high altitudes, as there is less oxygen available. The decrease in air pressure (气压) can also lead to physical symptoms such as headaches or dizziness in some individuals.In meteorology, air pressure (气压) is a key factor in predicting weather. High-pressure systems generally bring clear skies and stable weather, while low-pressure systems are associated with clouds and precipitation. Meteorologists use barometers to measure air pressure (气压), which helps them forecast weather changes. For instance, a sudden drop in air pressure (气压) often indicates an approaching storm, allowing people to prepare accordingly.Furthermore, air pressure (气压) affects aviation. Pilots must consider air pressure (气压) when taking off and landing. Aircraft are designed to operate efficiently at specific air pressure (气压) levels, and changes can impact lift and fuel efficiency. Understanding how air pressure (气压) interacts with the aircraft's wings is essential for safe flying.In our daily lives, air pressure (气压) can be observed in simple activities. For example, when using a straw to drink, we create a lower air pressure (气压) inside the straw, allowing the higher air pressure (气压) outside to push the liquid up. Similarly, when sealing a jar, the cooling of the contents can create a vacuum that lowers the air pressure (气压) inside, creating a tight seal.In conclusion, air pressure (气压) is a fundamental concept that permeates various aspects of life and science. Its effects can be seen in weather patterns, aviation, and even in our kitchens. As we continue to learn more about the atmosphere and its properties, understanding air pressure (气压) will remain essential for both scientific advancement and practical applications in our daily lives.