These are dinosaurs that would have lived in prehistoric North Carolina.

这些恐龙可能生活在史前的北卡来纳。

The biting sperm whale traveled the prehistoric seas in family packs.

噬抹香鲸家族成群游弋在史前的海洋。

That means a prehistoric fruitarian diet would be more like a modern-day vegetable diet.

这意味着史前的水果饮食和现在的蔬菜饮食差不多。

Prehistoric Petcos didn't exist, so dogs probably ate what humans did.

史前的宠物狗并不存在，所以狗可能吃的和人类一样。

Then we're making an animated diagram to show the geography of the area in prehistoric times.

然后我们会做一个动画图，展示这片地域史前的地理状况。

The king of the prehistoric kingdom would change everything.

这史前的王者将会改变一切。

Okay. A person who studies prehistoric life through the examination of fossils.

通过检查化石来研究史前生命的人。

Virtually nothing is known about the prehistory of chimpanzees, but whatever they were, we were.

有关史前的非洲黑猩猩，我们几乎一无所知，可是不管它们的情况是怎样的，都和我们的祖先别无二致。

Yu then established order and dynastic rule with the prehistoric Xia dynasty.

禹随后建立了史前夏朝的秩序和王朝统治。

They concluded that the extinction happened 5,600 years ago, which is a very precise time for a prehistoric extinction.

他们说灭绝大概发生在5600年前，对于史前的物种灭绝而言，这个时间已经非常精确了。

And prehistoric people were the first creatures to do so.

史前时期的人类是能够这样做的最早的生物。

But the arms were a different story.

但是，史前女性的上臂则是另一回事。

The study's researchers had previously examined the bones of prehistoric men.

这项调查的研究人员此前调查过史前男性的骨骼。

But we still know something about the people whom we call prehistoric.

不过我们还知道一些被我们称之为史前人类的情况。

The prehistoric world of the Cretaceous Period.

这里是白垩时期的史前。

About 300 million years ago, during prehistoric times, Earth's atmosphere was 30% oxygen.

在约 30 亿年前的史前时期，地球的大气中含有 30% 的氧气。

The name of which of these prehistoric creatures means " king of the tyrant lizards? "

以下哪个史前生物的名字的意思是“暴君蜥蜴之王”？

And they're about 16 percent stronger bones than those of the living rowers.

史前女性的臂骨比现在的桨手要强壮16%。”

But the newly identified frog has plenty of living relatives.

但新发现的史前青蛙如今还有很多近亲。

And prehistoric paintings in Japan portray Sumo wrestlers.

而日本的史前绘画则描绘了相扑运动员。