The prairie was ideal for growing wheat.

原是理想的小麦田。

Herds of graceful antelope used to roam the prairies of the West.

成群优雅的羚羊曾经在西部的原上漫步。

Because the Savanna has only two seasons.

因为稀树原只有两个季节。

So, they have to be careful when cruising the African savanna.

因此，它们在非原巡游时必须小心。

Let's take a quick trip to the African Savanna to check out all the wildlife.

让我们赶快去非原看看那些野生动物吧。

A hundred thousand years ago, we were all in the African savanna.

十年前我们都在非原。

This is the first study of African savannah elephants of its kind.

是对非原象类的首次研究。

The report also said that America's large northern grasslands are among the ecosystems most threatened.

报告还说，美国北部的原是受到最威胁的生态系统之一。

" So, what's first" ? Simba said, looking out at the savannah stretched before them.

" 那么，首先要做的是什么？" 辛巴望着面前绵延不绝的原说。

In fact, it transforms from desert to lush savanna about every 21,000 years.

事实上，那里概每隔21000年就会从沙漠变成苍翠的稀树原。

That is until this Venus of the veldt.

直到个原上的金星。

And they store another kind of data, showing how the plains have changed across millennia.

它们也留存了另一样数据，即记录了原几千年来是怎样变化的。

These artificial great plains are making wild grasslands amongst the most endangered habitats on Earth.

些人造平原使野生原成为地球上最濒危的栖息地之一。

The Mongolian steppe is the biggest grassland on Earth.

蒙古原是地球上最的原。

In savannah country, huge herds of game support prides containing 20 lions or more.

热带原的竞争促使鼎盛的狮群数量达到20只，甚至更多。

On this seasonal planet, the great plains are lands of feast and famine.

在个四季分明的行星上，原是盛宴与饥荒并存之地。

It sort of resembled a savanna but without grass.

就像是一个没有的原。

I howled at the moon with the prairie coyotes of Kansas.

我和堪萨斯原上的郊狼一起对月嚎叫。

But, of course, here on the flat cerrado, such places are in short supply.

但是，当处于原样平坦的区域，地势高点的地方不好找。

The book's cover said the PLAINS OF AFRICA.

那书的封面上写着非原。