atmospheric pressure

Atmospheric pressure decreases with altitude, which is why aircraft cabins must be pressurised for passenger comfort.大气压随海拔高度降低，这就是为什么飞机客舱必须加压以确保乘客舒适的原因。

Changes in atmospheric pressure are a key indicator used in weather forecasting to predict approaching storms.大气压力的变化是天气预报中用来预测逼近风暴的关键指标。