were

447 篇文章
But just as their ancestors were beginning to make progress,
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But just as their ancestors were beginning to make progress, 但正当它们的祖先开始取得进展时

ancestors progress make just their beginning as to but were
...that early mammals were confined to the shadows.
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...that early mammals were confined to the shadows. 以至于早期的哺乳动物只能躲在暗处

shadows confined early mammals that the to were
For the most part, they were small, keeping to the trees...
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For the most part, they were small, keeping to the trees... 在大部分情况下 它们都很小 在树上栖息

keeping part most trees small they for the to were
the Americas were still at the mercy of the terror birds.
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the Americas were still at the mercy of the terror birds. 美洲仍在骇鸟的蹂躏之下

terror mercy americas birds at of the still were
just as they were 15 million years ago.
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just as they were 15 million years ago. 与1500万年前别无二致

million just they as were ago years
were writing a new chapter in the story of life.
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were writing a new chapter in the story of life. 正在书写生命故事的新篇章

chapter writing story life new of in the were a
While the first owls were menacing the northern pine forests,
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While the first owls were menacing the northern pine forests, 第一批猫头鹰在北方的松树林肆虐时

menacing owls pine while forests northern first the were
At first, they were small creatures,
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At first, they were small creatures, 起初 它们是小型生物

at small first they creatures were
With the dinosaurs gone, they were free to come out in the open.
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With the dinosaurs gone, they were free to come out in the open. 恐龙灭绝之后 它们可以自♥由♥地出来活动

dinosaurs gone free open come with out they in the to were
were the redwoods.
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were the redwoods. 红杉

redwoods the were