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5341 篇文章
in a period known as the Devonian,
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in a period known as the Devonian, 进入泥盆纪时期

there was to be a changing of the guard.
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there was to be a changing of the guard. 即将发生权力转移

to perfectly mimic a female.
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to perfectly mimic a female. 完美地模仿一只雌性

With neither backing down, a fight is inevitable...
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With neither backing down, a fight is inevitable... 双方都不退让 争斗无可避免

as a new male enters the arena...
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as a new male enters the arena... 又有一只雄性进入竞技场

this is a young giant cuttlefish.
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this is a young giant cuttlefish. 这是一只年轻的巨型墨鱼

he's come to the shallows in search of a mate.
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he's come to the shallows in search of a mate. 它来到浅海求偶

now was a chance to head back up.
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now was a chance to head back up. 现在有机会回到浅海

Within a few more, it had entirely gone.
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Within a few more, it had entirely gone. 又过了几千年 冰完全消失

Within a few millennia,
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Within a few millennia, 在几千年内