Polar bears have thick fur, big paws and other features that make them well prepared for life in their tough environment.

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问题 Polar bears have thick fur, big paws and other features that make them well prepared for life in their tough environment.

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答案北极熊有厚厚的毛皮、大大的脚掌和其他一些特征,使得它们能够为这种艰苦环境的生活做好充分准备。

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