In prehistoric times, it stood on dry land.

在前时期，它位于陆地上。

It was rather like an exhibition of prehistoric electronic equipment.

这儿倒像是在展览古老电子设备。

Look, even prehistoric people look at the stars.

看，就连前人类也会看星星。

Utah is a very rich place for prehistoric culture.

犹他州是前文化非常丰富地方。

This could be the earliest known instance of prehistoric humans storing food.

这可能是前人类储存已知最早例证。

Prehistoric ground sloths first appeared around 35 million years ago.

约3500万年前， 前懒兽开始出现。

And prehistoric people were the first creatures to do so.

前时期人类是能够这样做最早生。

And it leads from prehistoric times to the present day.

时间为从前至今。

A prehistoric stone circle emerges from a drying up reservoir.

一个前环状巨石阵从干涸水库中浮现出来。

She had found the skeleton of a prehistoric reptile — the ichthyosaur.

她发现了一种前爬行动——鱼龙骨架。

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

这些恐龙可能生活在前北卡罗来纳。

And prehistoric paintings in Japan portray Sumo wrestlers.

而日本前绘画则描绘了相扑运动员。

Some prehistoric people tried living there starting about 20,000 years ago.

约2万年前起前人就试图在这片土地上居住。

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前人类情况。

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

禹随后建立了前夏朝秩序和王朝统治。

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

通过检查化石来研究前生命人。

Prehistoric plant eaters live every day with a target on their back.

前世草动每天都生活在弱肉强环境中。

This three-dimensional image has come to us straight from the prehistoric age.

这个三维图像从前时代直接存留至今。

Yet they don't hold a bicep to prehistoric female farmers.

但是，和前女农民相比，这些运动员可以说没有什么臂力。

The wedge is a simple machine that's been used since prehistoric times.

楔子是一种简单机器，从前时代就开始使用了。