133 篇文章
so that, with very little effort, the birds can soar over the city.
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so that, with very little effort, the birds can soar over the city. 游隼不费吹灰之力便可以在城市上空翱翔

are deflected upwards and can help the birds gain height.
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are deflected upwards and can help the birds gain height. 有利于游隼飞得更高

These are the only birds of prey that hunt in packs.
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These are the only birds of prey that hunt in packs. 栗翅鹰是唯一成群捕食的猛禽

all the birds will have paired off
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all the birds will have paired off 所有的鸟儿都配对成功

provide a sanctuary for sea birds all the year round.
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provide a sanctuary for sea birds all the year round. 是海鸟们全年的庇护天堂

There are three million birds on the island,
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There are three million birds on the island, 这个岛上有三百万只鸟

The other birds come and go.
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The other birds come and go. 其他鸟儿来来往往

Soon the island is crowded with birds.
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Soon the island is crowded with birds. 很快岛上会到处都是鸟

But even the stormiest waters are no barrier for birds.
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But even the stormiest waters are no barrier for birds. 但再汹涌的海水都无法阻挡鸟类

and, at last, the mackerel sink below the diving range of the birds.
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and, at last, the mackerel sink below the diving range of the birds. 最后,竹荚鲭也逃出了猛鹱的攻击范围.