is heating our planet faster than at any time in the last 500 million years. 正在以五亿年来从未有过的速度 令地球升温
It formed after the last great melt 它是上一次大规模融化之后形成的
Once the turmoil of the last great melt subsided, 上一次大规模融化引起的混乱 平息之后
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
birds had become the last remaining branch of the dinosaur family tree. 鸟类成为恐龙族谱中仅存的一支
But their early rise was not to last, 但它们的早期崛起并不会持续太久