polar基本解释

adj,[数]极地的；两极的；正好相反的,同近

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。

南（北）极的；极性的英释adjadjclose to or relating to the North Pole or the South Pole

polar bear,北极熊.短语

真题例句...Satellite observations and submarine surveys over the past few years had shown less ice in the polar region