18 篇文章
The male polar bear's ice world has finally vanished beneath him.
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The male polar bear's ice world has finally vanished beneath him. 冰雪世界最后在雄北极熊的脚下消失了

This is a disaster for polar bears.
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This is a disaster for polar bears. 对于北极熊而言 这是一场灾难

The ice is becoming too weak to support a male polar bear.
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The ice is becoming too weak to support a male polar bear. 冰面开始变薄 已经很难承受一只雄性北极熊的重量

The polar bear cubs emerge from the den in which they were born.
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The polar bear cubs emerge from the den in which they were born. 小北极熊从洞穴中探出头来

The south polar skua is a formidable opportunist.
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The south polar skua is a formidable opportunist. 南极贼鸥是可怕的机会主义者

but polar summers are so short,
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but polar summers are so short, 但是极地的夏天是非常短暂的

When the first polar explorers headed south,
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When the first polar explorers headed south, 第一批极地探险家前往南方时候

A polar bear stirs.
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A polar bear stirs. 一只北极熊苏醒了