They all have the same goal, a polynya, 它们都有相同的目标--冰间湖(冰穴)
and nearly all of that exposed rock is found in one place, 几乎所有的裸岩都集中在同一个地方
Ninety per cent of all the world's ice is found here. 这里的冰占全世界的90%
And all life here is governed by that. 这里的一切生命都受其影响
They're the largest and most demanding wildernesses of all. 是最大、最荒凉的无人区
It's the sort of behaviour that can make all the difference in a place of serious shortages. 这一举措在这个资源 严重匮乏的地方显得极为重要
Yet all this can change in an instant. 然而所有这一切即刻就将发生改变
Grasses are the staple diet of all elephants, 草是所有大象的主食
the giant saguaros, one of the biggest of all cacti, 巨大的弁庆柱 ——一种世界上最大的仙人掌