457 篇文章
Their strategy has been so successful,
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Their strategy has been so successful, 它们的策略非常成功

Australia had been heading north for millions of years.
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Australia had been heading north for millions of years. 澳大利亚已经向北漂移了数百万年

Birds had almost been wiped out with the rest of the dinosaurs.
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Birds had almost been wiped out with the rest of the dinosaurs. 鸟类几乎全都与其它恐龙一起灭绝

Teeth have been replaced by beaks...
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Teeth have been replaced by beaks... 牙齿被喙取代

Wings that have been modified to flap.
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Wings that have been modified to flap. 翅膀变得能够挥动

there had been hundreds of ancient species living in the trees,
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there had been hundreds of ancient species living in the trees, 树上居住着数百种古老的物种

the picture couldn't have been more different.
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the picture couldn't have been more different. 却完全是另一幅画面

and the world has all but been destroyed by a cataclysmic event.
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and the world has all but been destroyed by a cataclysmic event. 世界几乎被一场灾难性事件摧毁

having been locked in an arms race with snakes
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having been locked in an arms race with snakes 在这个过程中

They've been playing this game since the dawn of the dinosaurs.
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They've been playing this game since the dawn of the dinosaurs. 它们从恐龙时代初期 就开始玩这个游戏