There is no other species on the planet that responds as quickly and as dramatically to the good times as the desert locust. 好日子到来时 地球上没有其它物种 能像沙漠蝗那样迅速而又戏剧性地作出反应
Eggs that have remained in the ground for 20 years begin to hatch. 在地下埋藏了20年的虫卵开始孵化
A single shower can enable seeds that have lain dormant for 30 years or more to burst into life. 一场大雨使得在地下沉睡了30多年的 种子迸发出生命的活力
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
means that desert elephants can only refill their tanks once every four or five days. 意味着沙漠里的大象 只能每隔四五天喝饱一回
will increase the chances of survival for those that live here. 为生活在这里的动物们带来了生机
It's an event that only happens once or twice a year at the most. 而且一年最多也只发生1~2次
and called that because the water may run for just a single day. 之所以这么叫是因为 这些水可能仅仅流淌一天左右
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