听力文本

Like the ichthyosaurs.
像这些龙鱼，
Their reptile ancestors lived on land, but as the planet changed,
它们的爬行类祖先生活在陆地，
so did these animals.
但地球改变后它们也随之改变，
They grew fins and moved into the newly formed Atlantic Ocean.
它们长出鱼鳍，搬进刚刚形成的大西洋，
This one is 20 feet long, and can travel at a quick 25 miles an hour.
这条身长6公尺，时速约为40公里，
It's the ocean's fastest creature and most efficient predator.
它是海里速度最快的生物，也是最有效率的掠食动物，

It rules the oceans for 50 million years.
统治海洋长达5000万年之久。
But now, there's a new contender.
但现在有新的王位竞争者，
The pliosaur.
上龙。
Longer than a bus, and as heavy as a truck,
它比公交车长，和卡车一样重，
its jaws are eight times more powerful than a great white sharks', with teeth 12 inches long.
它的颚比大白鲨的颚强8倍以上，而且牙齿长达30公分，
The Earth, and its inhabitants, have changed beyond recognition.
地球与地球生物，变得难以辨认，
This was once solid ground, now it's the Atlantic Ocean.
这里本来是陆地，这下却变成大西洋，
The very spot where ammosaurs grazed and dilophosaurs stalked their prey.
我们曾站在这里看砂龙吃草，看双脊龙跟踪猎物，
The dinosaurs' world may be different,
恐龙的世界或许不同了，
but they're as dominant as ever.
但它们依旧是霸主，
They appear invincible.
它们似乎无往不胜。

视频及简介

本片就比如在地球刚刚形成时就有摄影机记录下每个重大事件。本节目将以写实电脑动画带领观众踏上旅途，穿越45亿年，介绍地球的诞生期、冰河时期、巨大火山喷发、恐龙的统治以及早期人类。