descending air

• 下沉空气

descending air的用法和样例：

例句

1. The descent warms the air and its relative humidity accordingly drops.
   这种下沉使空气变暖，其相对温度相应下降。
2. The third wind belt develops as cold polar air sinks and moves south, is deflected to the right, and is therefore called the polar easterlies.
   当冷的极地的空气下沉并且移动南方，受科氏力影响偏向右边，因此被称为极地东风带。