they're the only monkeys in the world that live almost entirely on grass. 它们是世界上唯一完全以草为生的猴子
There's no food and few insects to feed on. 这里没有食物 可以吃的昆虫也很少
But these socials can't go on for too long. 但是这种社交活动不会很长
is today the longest continually erupting volcano on the planet, 是地球上现存持续喷发时间最长的火山
one of the lowest hottest places on Earth. 地球上一处最低最热的地方
Three dogs close in on one impala. 3只野狗紧追一只黑班羚
Nowhere on our planet is the life giving power of water so clearly demonstrated. 地球上没有其它地方能比这里 更能清楚地证明水对生命的意义
Nowhere else on Earth are so many animals on the move with the same urgent purpose. 如此多的动物出于同一个紧急目的 而进行大规模迁徙 这在地球上其它地方可看不到