- Seventy million years after the great melt,
大融化7000万年之后 - in a period known as the Devonian,
进入泥盆纪时期 - the vertebrates made their move.
脊椎动物开始行动 - This is Dunkleosteus...
这是邓氏鱼 - a descendant of the tiny Arandaspis.
是微小的阿兰达甲鱼的后代 - But at nine meters long, this fish is no underdog.
但这身长九米的鱼绝非弱者 - Even its young, barely half its size, are fearsome predators.
即便在幼年期 仅有一半大小 也是可怕的捕食者
This is Dunkleosteus... 这是邓氏鱼
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