Unable to go the distance, his rivals drop out one by one. 对手们无法坚持下去 相继退出竞争
but one sweep of his horns could be deadly. 但如果被水牛角扫到 可能会直接丧命
For one pride of lions, this poses a major problem. 对于狮群来说 这成了最大的问题
water transforms one of the most remarkable grasslands on Earth, 降水能让世界上最奇特的草原之一改头换面
stretches one third of the way around our planet. 覆盖距离达到地球周长的三分之一
One quarter of all the land on Earth 地球上四分之一的土地
in one of the driest places on earth. 从空气中变出水来
most will hold a little water in one form or another. 但大多数都会以各种形式储存少量的水分