东风带，地球的行星风带之一，是指自极地高压辐散的气流，在地球自转偏向力及地球形状的作用下，形成偏东风。北半球为东北风，南半球为东南风，所以又叫做极地东风带，它向低纬度源源不断地输送干冷空气。
极地东风带 polar eastedies ; Polar easterly
极地东风〔带 polar easterlies
热带东风带 tropical easterlies
赤道东风带 [气象] equatorial easterlies ; deep easterlies ; deep trades
亚热带东风带 subtropical easterlies
东风带扰动 easterly disturbance
副热带东风带 [气象] subtropical easterlies
热带东风 tropical easterlies
热带东风急流 tropical easterly jet ; tropical easterlies jet
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。
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.
Wassila Thiaw表示，在拉尼娜影响下，原本将给东非带去水汽的东风带减弱。
With a La Niña, Mr. Thiaw says the easterly winds that are supposed to bring moisture into East Africa are reduced.
Wassila Thiaw表示，在拉尼娜影响下，原本将给东非带去水汽的东风带减弱。
With a La Nina, Mr. Thiaw says the easterly winds that are supposed to bring moisture into East Africa are reduced.
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