名词
中文翻译：北极地区
同义词：
['polar region', 'Arctic region']
例句：
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1. The polar regions are home to some of the world's most unique wildlife.
极地是世界上一些独特野生动物的家园。
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2. The explorers were determined to reach the poles before winter set in.
探险者们决心在冬天来临之前到达极点。
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3. The polar ice cap is a crucial part of the Earth's climate system.
极地冰盖是地球气候系统的重要组成部分。