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3022 篇文章
This is one of the largest concentrations of Nile crocodiles in Africa,
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This is one of the largest concentrations of Nile crocodiles in Africa, 这里是非洲一处最大的尼罗鳄聚集地

in search of fresh green pastures.
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in search of fresh green pastures. 去寻找新鲜草场

But, confident in their gangs,
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But, confident in their gangs, 不过集合起来的水獭颇有胆量

there is real strength in numbers.
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there is real strength in numbers. 群体合作能保证它们屡战屡胜

is greater than any other stage in a river's life.
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is greater than any other stage in a river's life. 在河流扮演的角色中 这才是最主要的

But catching salmon in deep water is not that easy
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But catching salmon in deep water is not that easy 但要想在深水中捕获鲑鱼可不太容易

detect the slightest changes in water pressure.
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detect the slightest changes in water pressure. 能觉察出最轻微的水压变化

But with the spring melt here in Japan
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But with the spring melt here in Japan 可是在日本 每当春雪消融之际

monsters stir in their dens.
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monsters stir in their dens. 一种怪物便在巢窟中苏醒

They're the only large predator in these icy waters.
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They're the only large predator in these icy waters. 它们是这些冰水中唯一的大型掠食动物