ice sheet
ice sheet 英 [ais ʃi:t] 美 [aɪs ʃit]
phrase. [地理][水文] 冰原；[地理][水文] 冰盖；[地理][水文] 冰盾
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- phrase. [地理][水文] 冰原；[地理][水文] 冰盖；[地理][水文] 冰盾
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1. A research team from the University of Colorado used satellite data to estimate that the ice sheet will lose up to 48 cubic miles by 2050.
科罗拉多州大学的研究小组利用卫星资料进行预测，到2050年(南极洲)冰层将会丧失多达48立方英里的冰量。
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2. These findings have led to claims that a 2.5mile long comet or asteroid smashed into the ice sheet covering what is now Canada and the northern US.
这些发现得出了这样一个结论，即2.5英里长的彗星或者小行星猛烈撞击了现今加拿大和美国北部覆盖的冰层。
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3. The Greenland ice sheet has survived natural warmer periods in history, the last about 120, 000 years ago, although it was much smaller then than it is now.
格陵兰冰盖在历史上经历过多个自然温暖时期（最后一次是约120,000年以前）依然幸存， 尽管那时它比现在小得多。
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