The descent warms the air and its relative humidity accordingly drops. 這種下沉使空氣變暖，其相對溫度相應下降。
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. 當冷的極地的空氣下沉並且移動南方，受科氏力影響偏向右邊，因此被稱為極地東風帶。
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