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5665 篇文章
The calf must stay close to its mother to avoid getting lost in the sudden blizzard.
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The calf must stay close to its mother to avoid getting lost in the sudden blizzard. 小牛必须紧跟着母亲 才能避免在突如其来的暴风雪中迷路

But half a ton of mad hairy cow is not to be trifled with.
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But half a ton of mad hairy cow is not to be trifled with. 不过在半数是脾气暴躁的母牛面前不好硬来

For the fox, it's a chance to scavenge.
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For the fox, it's a chance to scavenge. 对于北极狐来说 这是一个捕食的机会

to graze on the vegetation below.
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to graze on the vegetation below. 再吃下面的植物

These giants have the strength to smash through the frozen crust
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These giants have the strength to smash through the frozen crust 这种体型巨大的动物有足够的力量砸出冰窟窿

As the current begins to build, it's up, up and away.
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As the current begins to build, it's up, up and away. 洋流开始转强时它们就只好远走高飞了

The ducks must quickly prise the mussels free before the tide starts to turn.
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The ducks must quickly prise the mussels free before the tide starts to turn. 绒鸭必须赶在潮流转向之前迅速采食

and, when day breaks, a rare chance to feed.
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and, when day breaks, a rare chance to feed. 而且到了白天还有难得的进食机会

instead of flying south to warmer climes.
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instead of flying south to warmer climes. 而一直坚守在这里经受着北方寒冬的考验

Here winter is coming to an end
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Here winter is coming to an end 这里的冬天已经临近尾声