英语词汇“polar cap”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	polar cap
释义	polar cap in American English noun 1. Geology the icecap situated at either end of the earth's poles 2. Astronomy either of the two bright areas around the poles of the planet Mars, consisting of water ice and frozen carbon dioxide Word origin [1890–95] Examples of 'polar cap' in a sentence polar cap Down the blower you might actually hear the ominous drip, crack or creak of the polar cap shrinking. Times, Sunday Times (2007) Glacial and polar cap meltdown cannot be disputed so let's stop arguing about the cause and start reducing emissions. The Sun (2009) Temperatures are soaring and as polar caps melt, sea levels are threatening to rise to dangerous levels. The Sun (2007) Still, looking through a telescope will show the bright polar caps and the larger dark markings. Times, Sunday Times (2010)
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polar cap in American English