The ammosaurus is too big a meal for one dilophosaurus.
一只双脊龙吃不完一只砂龙,
But not for two.
两只就行了。
The dinosaurs have repopulated the Earth.
恐龙重新居住在地球上,
But no species can tame this restless, volatile planet.
但没有任何一种物种能征服这多变无常的行星。
The earth's crust is thinning.
这里的地壳越来越薄,
It's releasing lava and shaking with earthquakes,
它释放熔岩,因地震而摇晃。
as if being stretched by some unseen force.
仿佛有股隐形的力量在拉它。
It's also happening near what will become North America's eastern seaboard.
同样的情况也发生在北美东海岸,
The Earth's plates are on the move again.
地球板块再度移动,
190 million years ago, the great super-continent of Pangea tears apart.
1亿9000万年前,超大陆盘古大陆裂开,
A vast slab of land breaks away, creating a chasm.
一大块陆地分离,中间出现裂沟。
It fills with a new ocean called the Tethys over what will one day be the Middle East.
海水填满裂沟,形成新海洋,古地中海,即后来的中东。
Currents push nutrients up into the coastal waters.
洋流把含有养分的海水推入。