the

9806 篇文章
Just what it needs to outmaneuver the young fish.
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Just what it needs to outmaneuver the young fish. 刚好能够摆脱这条年轻的鱼

the ammonoid does the same...
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the ammonoid does the same... 菊石也绕圈

But the ammonoids boast a trick of their own...
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But the ammonoids boast a trick of their own... 但是菊石也有自己的本领

Dunkleosteus has the pace to catch up with them.
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Dunkleosteus has the pace to catch up with them. 邓氏鱼的速度能够追上菊石

And this juvenile has spotted something out in the blue.
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And this juvenile has spotted something out in the blue. 这条幼鱼在蓝色的海洋中有所发现

a descendant of the tiny Arandaspis.
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a descendant of the tiny Arandaspis. 是微小的阿兰达甲鱼的后代

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

the vertebrates made their move.
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the vertebrates made their move. 脊椎动物开始行动

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

Seventy million years after the great melt,
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Seventy million years after the great melt, 大融化7000万年之后