Turtles first evolved back in the Triassic. 海龟最早是在三叠纪时期进化而来
But by the time they'd conquered the seas, the ocean was home to deadly predators. 但当它们征服大海时 海洋已经成为致命捕食者的家园
Here, on the edge of the Great Barrier Reef... 在大堡礁的边缘
and today inhabit all but the coldest oceans. 如今栖息在 除最冷的海洋之外的所有海洋中
turtles went back to the seas their ancestors left, 海龟回到了祖先曾离开的大海
But perhaps the most remarkable chapter of that early era of reptile supremacy... 但爬行动物统治时代早期 最精彩的篇章
was when some of them turned their back on the land 也许是其中一些动物放弃陆地
This is an echo of what life was like back in the Triassic. 这是三叠纪时期生活的历史回声