polar

As our climate warms up, the polar ice caps will begin to melt..随着地球气候逐渐变暖，极地的冰冠将开始融化。

polar bear,北极熊

polar coordinate,极坐标；极座标；极坐标系统

polar region,极地；近极区域

polar ice,极地冰

polar solvent,[化]极性溶剂

polar fleece,摇粒绒

polar group,极性基团

polar body,极体

polar angle,极角

polar cap,[地]极地冰冠；[天]火星表面的极冠；高山冰冠

polar axis,[天]极轴

polar molecule,极性有极分子

真题例句...Satellite observations and submarine surveys over the past few years had shown less ice in the polar region...第二套CET62016.6听力题

真题例句...largely polar scientists in fields like glaciology and meteorology...第一套CET62016.12阅读理解

真题例句...polar bears will not become extinct...第二套CET62013.6阅读理解

真题例句...including polar expeditions and cruises in the Galápagos...CET62011.6听力题