艾伦·科普兰的《阿帕拉契亚的春天》使人想起了那种辽阔草原的氛围。
"Appalachian Spring" by Aaron Copland invoked the atmosphere of the wide open spaces of the prairies.
一些展品有玻璃展示区域，例如草原土拨鼠。
Some exhibits have glass viewing areas, like for the prairie dog.
你们当中可能有人不知道，草原犬鼠其实不是狗。
For those of you who don't know, prairie dogs are not actually dogs.
它就像一面蓝色的镜子，在雪山和草原之间闪耀。
It's like a blue mirror shining between snowy mountains and grasslands.
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.
房地产开发、高速公路和城市取代或分割了森林和草原。
Housing developments, highways and cities have replaced or sliced through forests and prairies.
我们自己的小木屋就像草原上的小房子，但有更好的浴室。
Our own cabins are like little houses on the prairie but with nicer baths.
他们的研究对象是草原田鼠，一种终生交配的小型啮齿动物。
Their study was conducted in the prairie vole, a small rodent that mates for life.
它们是一种啮齿类动物，在美国西部和墨西哥草原的地上挖洞。
They're a type of rodent who, who burrow in the ground in the grasslands of the western United States and Mexico.
更糟糕的是，人们任他们的牛把草吃光，这进一步破坏了草原。
To make matters worse, people let their cattle eat up the grass, which further destroys the grassland.
灌木的扩张也发生在其他环境中，比如半干旱草原和高草草原。
Shrub expansion has occurred in other environments, like semiarid grassland, and tall grass prairies.
活跃在草原上的还有灰熊，它们以捕食野牛尸体和小牛犊为生。
The grizzly bear was also a creature of the prairie, feeding on buffalo carcasses and calves.
湛蓝的天空，清澈的湖水，碧绿的草原，雪山，都是我们的财富。
Blue sky, clear lakes, green grasslands and snowy mountains are all our treasures.
在南达科他州，一只黑尾巴的草原土拨鼠昂首站在他的洞穴外面。
A black-tailed prairie dog perks up outside his burrow in South Dakota.
在草原田鼠的大脑中，负责奖励和强化的区域有这些荷尔蒙的受体。
The prairie vole has the needed receptors in its brain for these hormones in the regions responsible for reward and reinforcement.
当欧洲人到达时，拉帕努伊还是一片草原，只有几棵瘦骨嶙峋的树。
When the Europeans arrived, Rapa Nui was grassland, with only a few scrawny trees.
在一项实验中，雄性草原田鼠服用了一种抑制抗利尿激素作用的药物。
In an experiment, male prairie voles were given a drug that suppresses the effect of vasopressin.
美国鱼类和野生动物管理局局长丹尼尔·阿什说：“小草原松鸡正处在绝境中。”
"The lesser prairie chicken is in a desperate situation," said USFWS Director Daniel Ashe.
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.
对于那些不熟悉可爱的草原田鼠的人来说，这是一种在北美中部草原上发现的小型啮齿动物。
For those unfamiliar with the delightful prairie vole, it is a small rodent found in the grasslands of central North America.
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.
除了种植更多树木以外，中国还试图恢复草原。
Besides planting more trees, China has tried to bring back grasslands.
他现在身处非洲，正在肯尼亚的草原上。
暑假期间，我经常和我的弟弟在草原上骑马。
During the summer holiday, I often go riding on the grassland with my brother.
稀树草原通常经历一个相当漫长的旱季。
Savannas typically experience a rather prolonged dry season.
肯尼亚热带草原上，一头成年雄狮正在草丛里休息。
An adult male lion is resting in the grass on the Kenyan savanna.
牧民们向南迁移，沿着主要河流系统进入热带草原地区。
The herders shifted south, following the major river systems into savanna regions.
热带草原的年降雨量在1000毫米到2000毫米之间。
Savannas experience an annual rainfall of between 1,000 and 2,000 millimeters.
草场的增加和随之而来的过度放牧导致了稀树草原的扩张。
Increase in pastureland and subsequent overgrazing have resulted in an expansion of savanna.
近距离观看野牛令人着迷，就像观看一场即将失控的草原大火。
Watching bison up close is mesmerizing, like watching a grass fire about to leap out of control.
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