Wild ass are the most conspicuous pioneers of this high frontier, 野驴是高原边疆上最明显的拓荒者
but the most numerous grazer in Tibet lives underground. 但数量最为可观的食草动物却深藏在地下
Pika, a relative of the rabbit. It, too, feeds on grass. 鼠兔 兔子的亲戚,和兔子一样以草为食
and then head back to the dust for no apparent reason. 数小时后就绝尘而去
They're the great nomads of the plateau 它们是高原上的伟大游牧民族
but he can't assume the females will actually turn up. 但却没有看到雌驴的出现
The males are fighting to win territories. Those that hold the best are more likely to attract a herd of females. 雄驴在争夺领地 最有实力的也最有可能得到雌驴的青睐
The great mountain range acts as a barrier, 雄伟的山脉犹如一道高高的屏障
preventing clouds moving in from the south, and this casts a giant rain shadow 阻挡了从南飘来的浮云 只在大地上投下了巨大雨影