polar easterlies

• 极地东风带

polar easterlies的用法和样例：

例句

1. 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。