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
they formed the largest living structure our planet has ever seen... 形成地球史上最大的生物结构
were writing a new chapter in the story of life. 正在书写生命故事的新篇章
The savage terror birds now dominated the plains of South America. 野蛮的骇鸟统治着南美洲的平原