polar wind belt 极风带
polar frontal belt 极锋带
polar high belt 极地高压带
polar-front belt 极锋带
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。
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