Glaciers can erode landscapes swifter than rain and rivers.

冰河侵蚀地形的速度， 远快於雨水和河流。

The Yam period coincided with the end of the last ice age.

“甘薯”时期正好赶上最后一个冰河世纪的末期。

Ice Age 2 would be the sequel to Ice Age.

《冰河世纪 2》将是《冰河世纪》的续集。

One little girl on a melting ice river, among the greatest mountains on Earth.

在地球最高的山脉之中，一个小女孩蹒跚于正在融化的冰河之上。

Feel the bitter chill of global ice ages.

感受全球性冰河时期的酷寒。

We know that happened at the end of the last ice age.

我们知道这曾发在最后一个冰河时代的末期。

Picky glaciologists might argue that what Mr Norphel is creating are not, strictly speaking, glaciers.

吹毛求疵的冰河学家们也许会认为诺菲尔先并没有造出严格意义上的冰川。

I study the cave art of ice age Europe.

我研究冰河时代欧洲的洞穴艺术。

Russian scientist Sergey Zimov is recreating an eco-system from the ice age.

俄罗斯科学家斯格里·希莫夫正在重新创造冰河时期的态系。

But what if you apply this to glaciers and floating sea ice?

但是果这发在冰河以及海洋浮冰的时候呢？

We're talking a millennium-long mini-Ice Age, just twelve thousand years ago.

我们说的是一个长达一千年的小冰河期，就在一万二千年前。

There have been at least four major ice ages.

至少有四个主要的冰河时代。

Lakes likely formed there at the end of the most recent ice age.

湖泊很可能是在最近的冰河时代末期形成的。

And some of them outlived the Ice Age extinction.

其中一些物种在冰河时期的灭绝中幸存下来。

The one central defect of Agassiz's theory was that his ice ages had no cause.

阿加西斯的理论有一个致命的弱点，就是他不能解释导致冰河时代出现的原因。

Bison, too, were to benefit from the post Ice Age changes.

美洲野牛也从冰河时代后期的巨变中获益。

But also I think those Ice Age conditions were critical as well.

但我认为当时冰河时代的客观条件也是极为关键的。

These changes help us understand details about the development of Ice Ages.

这些改变帮助我们了解冰河时代的发展详细情况。

Holocene started about 11,700 years ago at the end of an ice age.

全新世开始于大约11700年前冰河时代的末期。

Most likely got stuck here during the ice age.

很有可能是在冰河时代的时候被困在了这里。