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5341 篇文章
Running directly at the herd is a ploy to generate panic.
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Running directly at the herd is a ploy to generate panic. 直冲向鹿群是一种制造恐慌的战术

Some herds travel over 2,000 miles a year in search of fresh pastures.
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Some herds travel over 2,000 miles a year in search of fresh pastures. 有的鹿群一年得走上2000多英里 才能到达新鲜草场

for a few miles from the coast the ice is already splitting.
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for a few miles from the coast the ice is already splitting. 离岸几英里远的海面上 冰层已经开始崩裂

but she's leading her cubs into a dangerous new world.
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but she's leading her cubs into a dangerous new world. 而它也正带着熊崽们 进入一个危险的新世界

and the mother has led her cubs a mile from the den.
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and the mother has led her cubs a mile from the den. 母熊已经带领幼熊离巢1英里远

but also a problem for the mother.
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but also a problem for the mother. 但对母熊而言却是一个问题

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

because each guards a treasure:
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because each guards a treasure: 因为每只企鹅都护卫着一件宝贝

a single egg rested on the top of its feet
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a single egg rested on the top of its feet 一颗躺在它们脚背上的蛋

A hundred years ago
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A hundred years ago 100年前