512 篇文章
but they must still survive the attacks of other, more specialised, birds of prey.
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but they must still survive the attacks of other, more specialised, birds of prey. 但它们仍须躲过 其它更专业的猛禽的攻击

some more than 20 centimetres long.
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some more than 20 centimetres long. 有的蚰蜒能长到20厘米长

the water takes on a new, more erosive power.
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the water takes on a new, more erosive power. 水便有了一股新的、更强的侵蚀力

But the dissolving power of rainwater has other, much more dramatic effects underground.
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But the dissolving power of rainwater has other, much more dramatic effects underground. 不过在地下 雨水的溶解作用 还能产生其它更壮观的效果

When the water reaches the more resistant bed of limestone
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When the water reaches the more resistant bed of limestone 当水流遇到更坚硬的石灰岩床时

They can stay down for more than 30 seconds
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They can stay down for more than 30 seconds 它们能在水下呆30多秒

more than in the whole of the Atlantic Ocean.
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more than in the whole of the Atlantic Ocean. 这比整个大西洋的鱼类种数还要多

Baikal seems more like an ocean than a lake.
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Baikal seems more like an ocean than a lake. 贝加尔湖看起来 更像是海洋 而不是湖泊

Its tropical waters teem with more fish species than any other lake.
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Its tropical waters teem with more fish species than any other lake. 生活在这个热带湖泊里的鱼类 比其它湖泊都要丰富

Worldwide lakes hold twenty times more fresh water than all the rivers.
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Worldwide lakes hold twenty times more fresh water than all the rivers. 全球湖泊淡水储量比江河多20倍