名词
中文翻译：极地冰
同义词：
['polar ice cap', 'polar ice sheet', 'Arctic ice例句：1. The polar ice cap is melting at an alarming rate.（北极冰盖正在以令人担忧的速度融化。）2. The polar ice sheet is a crucial source of fresh water for the polar bears.（北极冰盖是北极熊获取淡水的重要来源。）3. The Arctic ice is disappearing rapidly due to climate change.（由于气候变化，北极冰正在迅速消失。）']
例句：
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1. The polar ice cap is melting at an alarming rate.
北极冰盖正在以令人担忧的速度融化。
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2. The polar ice sheet is a crucial source of fresh water for the polar bears.
北极冰盖是北极熊获取淡水的重要来源。
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3. The Arctic ice is disappearing rapidly due to climate change.
由于气候变化，北极冰正在迅速消失。