caused the population of plankton to increase... 导致浮游生物数量增加
But now, they would almost bring it to an end. 但是现在 它几乎将动物生命带入终结
But Dunkleosteus was to suffer from a devastating quirk of fate... 但邓氏鱼即将遭受毁灭性打击
But they owe their rise to the fall of their greatest rivals. 但它们的崛起归功于 最强大竞争对手的灭亡
some of the sharks rise from below to trap the fish against the surface. 一些鲨鱼从下方向上进攻 将小鱼逼向海面
they are as close to perfection as an ocean predator can get. 是近乎完美的海洋捕食者
To the winning combination of backbone and jaws, 在脊椎与颌的胜利组合之外
but they've also allowed a more infamous group of fish to rule the waves. 但也使另一种更恶名昭彰的鱼类 统治海洋
He doesn't just use his to catch crabs. 它不光用颌来抓螃蟹