1801 篇文章
0nce their eggs have hatched,
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0nce their eggs have hatched, 一旦小鸟破蛋而出

The snow petrels have arrived and are courting.
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The snow petrels have arrived and are courting. 雪海燕来了 在这里求偶

The birds have flown inland for over 300 miles to reach this breeding site.
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The birds have flown inland for over 300 miles to reach this breeding site. 它们往内陆飞行300英里才来到这里繁衍

They have come here to breed,
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They have come here to breed, 它们来这里繁衍

they must have wondered what unearthly sights lay in store.
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they must have wondered what unearthly sights lay in store. 他们必曾感慨于地球上竟有如此别样的地方存在

but nothing could have prepared them for the ice world that finally loomed into view.
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but nothing could have prepared them for the ice world that finally loomed into view. 当冰雪世界真实的出现在他们眼前的时候 他们感到的是无法用语言形容的震撼

They have to keep on moving.
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They have to keep on moving. 它们必须不停地迁徙

Eggs that have remained in the ground for 20 years begin to hatch.
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Eggs that have remained in the ground for 20 years begin to hatch. 在地下埋藏了20年的虫卵开始孵化

A single shower can enable seeds that have lain dormant for 30 years or more to burst into life.
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A single shower can enable seeds that have lain dormant for 30 years or more to burst into life. 一场大雨使得在地下沉睡了30多年的 种子迸发出生命的活力

which have more nutrition and moisture than the stems.
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which have more nutrition and moisture than the stems. 因为草根中的营养和水分比茎干多得多