That warming also can change weather patterns worldwide and it alters the ecosystems for animals such as polar bears.
这样的变暖还可能改变世界范围的天气规律；改变对北极熊这样的动物所处的生态系统。
That warming also can change weather patterns worldwide and it alters the ecosystems for animals such as polar bears.
这样的变暖还可能改变世界范围的天气规律；改变对北极熊这样的动物所处的生态系统。
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