but nothing could have prepared them for the ice world that finally loomed into view. 当冰雪世界真实的出现在他们眼前的时候 他们感到的是无法用语言形容的震撼
but when the conditions are right as now 但如果条件允许 譬如现在
but they're just frequent enough to keep life ticking over. 但它们发生的次数 足以保证生命长盛不衰
But for a while the hunting will be easier, now that river channel has turned green. 此时 狩猎暂时变得容易许多 河道也穿上了一件绿装
but these are the short moments that make it possible to live in deserts the year round. 但就是这些短暂的日子使它们 得以全年在沙漠中生活
But every square metre of soil moistened by this river 这里的每一寸土壤都已被河水润湿
but this herd concentrates on digging up the roots, 但这群象却忙着挖掘草根
But to live here lions have had to change their habits - 而若想在此生存 狮子必须改变它们的习性