Twenty million years later, life faced one of its greatest challenges... 2000万年后 生命面临又一个巨大的挑战
But what it has evolved will change the course of history. 但它进化出的特征将改变历史进程
Graced with a look of permanent surprise, 外表永远是一副惊讶的样子
All the trilobite can do is try to stay out of reach. 三叶虫能做的只有设法保持距离
are part of a dynasty known as the cephalopods. 它们属于头足动物这个新王朝
Ancestors of today's octopus and squid, these tentacled giants 这些触须巨兽 是今天章鱼和鱿鱼的祖先
because on this reef, danger comes from a new type of predator. 因为在这块礁石上 危险来自一种新的捕食者
Forty million years later, and a new era of life has begun, 四千万年后 一个新的生命纪♥元♥开始