英语词汇“polar front”是什么意思，“polar front”的读音、用法及例句翻译-乐坝网

词汇	polar front
释义	polar frontn.（名词） The region or boundary separating air masses of polar origin from those of tropical or subtropical origin.极锋：将南极气团与赤道或亚热带地区气团隔离开来的区域或分界
随便看	spaced–out spacefaring space flight space heater space lattice spaceless space medicine space platform spaceport space probe spaces space science spaceship space shuttle space sickness space station space suit spacetime space-time space walk spaceward space writer spacey space–time spacial

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