Like most reptiles, they must bask in the sun to warm up. 与多数爬行动物一样 它们必须晒太阳以保暖
can best be seen in a world lost in time. 可以在一个迷失在时间中的世界 得以最好的展现
The reefs also drew in some of the last remaining marine reptiles... 珊瑚礁也吸引了 一些最后幸存的海洋爬行动物
were writing a new chapter in the story of life. 正在书写生命故事的新篇章
But the terror bird moves in near silence. 但是骇鸟的行动悄无声息
In the clearing, a herd of early mammals graze. 空地上 一群早期哺乳动物在吃草
And in early South America, 46 million years after the asteroid, 在早期的南美 小行星撞击的4600万年后
But becoming small wouldn't work in every part of the planet. 但变小并不适用于地球的每一个地方
In the ages following the apocalypse, 大灾变之后的岁月中