令我感到惊讶的是，我在北方视为理所当然的一切事物，在南美大草原上几乎都没有发生。
I was amazed that virtually all the things I took for granted up north just didn't happen in Savannah.
组装一个大草原需要时间——即使你拥有所有的部件。
To assemble a prairie takes time—even if you have all the pieces.
在《稀树大草原的秘密》一书中，他们发出了非洲应当控制人口的强烈呼唤。
In the book "Secrets of the Savanna", they issued a strong call that Africa should control its population.
大约在制铁技术传到欧洲的同时，西非的森林和大草原上也开始有了制铁的知识。
Knowledge of iron making penetrated into the forest and savannahs of West Africa at roughly the same time that iron making was reaching Europe.
一些稀树大草原生长在潮湿、涝渍的土壤上；其它则在干燥、多沙、排水良好的土壤上。
Some savannas occur on wet, waterlogged soils; others on dry, sandy, well-drained soils.
击中奥克弗诺基国家野生动物保护区深处的蜜糖大草原的闪电，可能只会撂倒两三棵树而已。
The bolt that struck Honey Prairie, deep inside the Okefenokee National Wildlife Refuge, might have just knocked down a tree or two.
尽管一年中大草原上可能会有大量降雨，但至少有一段时间是降雨很少的，造成干旱压力，最终有利于牧草生长。
Though plenty of rain may fall on savanna during the year, for at least part of the year little does, creating the drought stress ultimately favoring grasses.
然而在这片崭新而肥沃的稀树大草原上，瞪羚的数量充足，它们往往全年都待在一个地方，因此人类也随之定居下来。
In the new, lusher savannah, gazelle were plentiful and they tended to stay in one place throughout the year, so the humans settled down with them.
这种情况普遍存在于南美洲北部和古巴的大部分地区，但许多中美洲大草原以及巴西沿海地区和特立尼达岛，都不符合这种模式。
Such conditions prevail throughout much of northern South America and Cuba, but many Central American savannas, as well as coastal areas of Brazil and the island of Trinidad, do not fit this pattern.
这片南美无树大草原仍然是世界上最为肥沃的地方。
The pampas are still among the most fecund lands in the world.
实验表明，如果美洲稀树大草原没有发生火灾，物种组成将发生显著变化。
Experiments suggest that if fire did not occur in savannas in the Americas, species composition would change significantly.
例如，当美国在1848年获得新墨西哥的主权时，大草原就已经存在了。
For example, the Rio Grande pueblos already existed when the United States acquired sovereignty over New Mexico in 1848.
在19世纪80年代，美国中部的高地平原大草原是由农民和牧场主开垦的。
The vast grasslands of the High Plains in the central United States were settled by farmers and ranchers in the 1880s.
在澳大利亚北部的大部分地区，来自非洲的甘巴草正在侵占当地的大草原林地。
Across much of northern Australia, gamba grass from Africa is overrunning native savannah woodlands.
但是，顿河和第聂伯河流域的游牧部落开始从事家畜饲养，并开始开发邻近的大草原。
But the foraging communities of the cultures in the region of the Don and Dnieper rivers took up stock breeding and began to exploit the neighboring steppes.
西非大草原上的人们驯养了马，后来他们强大的骑兵部队使他们得以建立起庞大的帝国。
Horses were adopted by peoples of the West African savannah, and later their powerful cavalry forces allowed them to carve out large empires.
它们以每年超过60英尺的速度向内地迁移，融入了热带稀树大草原的丰富草地和零星的树木。
As they travel inland at speeds in excess of 60 feet a year, they merge with the rich grass and scattered trees of the savanna.
在欧亚大陆内部大草原上出现的马的游牧主义尤其如此，因为它是所有主要游牧形式中最具流动性的。
This is particularly true of the horse pastoralism that emerged in the Inner Eurasian steppes, for this was the most mobile of all major forms of pastoralism.
也许更早的时候，在欧亚大陆内部的大草原上就出现了独特的游牧文化，这种文化主导了该地区几千年的历史。
Perhaps even earlier, there had emerged on the steppes of Inner Eurasia the distinctive types of pastoralism that were to dominate the region's history for several millennia.
例如，我们可以区分“一只大草原狼快速移动”，和说“将大草原狼移动得快点”，或者“动作快点，大草原狼”。
For example, we can differentiate between "A large coyote moves fast", and say "Move the large coyote fast." or "Move fast, large coyote."
在美国原本的大草原只剩5%。
Only 5 percent of the original prairie in the United States remains.
伊利诺伊大草原上，土壤肥沃、丰产而深厚。
全球的粮食产地之一坐落于加拿大的大草原。
One of the world's breadbaskets lies in the prairies of Canada.
回到几百万年前的非洲大草原。
你住在大草原上的蒙古包里。
委内瑞拉大草原上的水蟒。
一个牛仔在大草原上从马背上摔了下来，摔断了腿。
A cowboy fell off his horse and broke his leg on the prairie.
她的头发又黑又亮，像大草原的草一样在风中飘动。
Her hair was black and shiny, and it waved in the wind like the tall prairie grass.
黑曼巴生活在非洲东南部的干燥大草原和岩石山丘上。
Black mambas live in the savannas and rocky hills of southern and eastern Africa.
黑曼巴生活在非洲东南部的干燥大草原和岩石山丘上。
Black mambas live in the savannas and rocky hills of southern and eastern Africa.
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