had

380 篇文章
And this had not gone unnoticed...
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And this had not gone unnoticed... 这也没有逃过…

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

ground-dwelling birds had the space
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ground-dwelling birds had the space 居住在地上的鸟类有了空间

had left many of Earth's great habitats free for the taking.
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had left many of Earth's great habitats free for the taking. 使地球上许多重要的栖息地 变得唾手可得

but their tiny cousins had recolonized them
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but their tiny cousins had recolonized them 但它们的小表弟以一种全新的方式

Richer than anything that had gone before...
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Richer than anything that had gone before... 比任何已经灭绝的物种都更为丰富

The asteroid had wiped out three-quarters of all Earth's plant and animal species.
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The asteroid had wiped out three-quarters of all Earth's plant and animal species. 小行星 令地球上四分之三的动植物物种灭绝

Birds had turned from mere survivors into predators.
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Birds had turned from mere survivors into predators. 鸟类从幸存者变为捕食者

that had long hidden in the shadows.
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that had long hidden in the shadows. 长♥期♥隐藏在阴影之中

the pine forests had returned.
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the pine forests had returned. 松树林就回来了