名词
中文翻译：极地移动
同义词：
['polar movement', 'polar migration']
例句：
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1. The polar shift in the weather patterns has caused a significant impact on the ecosystem.
极地天气模式的极地移动对生态系统产生了重大影响。
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2. The polar shift in the climate is causing changes in the animal populations.
气候的极地移动正在改变动物种群。
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3. The researchers have observed that the polar shift in the sea ice cover is closely related to the global warming.
研究人员观察到，海冰覆盖的极地移动与全球变暖密切相关。