Grasses are the staple diet of all elephants, 草是所有大象的主食
they won't attempt to cross this field of sand dunes 它们不会试着爬过一座沙丘
The lions must wait for the oryx to leave the safety of the dunes, 狮子必须耐心等待 长角羚离开安全的沙丘
In savanah country huge herds of games support prides containing 20 lions or more. 热带大草原的竞争促使鼎盛的 狮群数量达到20只 甚至更多
Elephants may seem out of place in this landscape, 大象似乎不属于有这种地形的地方
So how on earth does a plant-eater this size survive in a place apparently totally devoid of vegetation? 那么在地球上 如此巨大的植食动物是如何 在这个寸草不生的地方生存的呢
Deserts are created by the lack of water, 沙漠的形成是因为缺少水
In one day each of these acrobatic little lizards may catch 50 flies. 每只身怀绝技的小蜥蜴 一天能吃掉50多只小虫
There are plenty of flies to go round, even with hundreds of lizards competing for them. 尽管已有几百只蜥蜴在此捕猎 这里仍聚集着无数飞虫