They get it partly from cactus flowers 其中一部分水取自仙人掌花
It's only now that they can leave shelter. 所以只有到了晚上它们才能离开庇护所
So they lick saliva on to their forearms 所以它们将唾液抹在前臂上
By midday the radiation is so intense they must take shelter. 到了正午 太阳的炙焰 迫使它们不得不寻找庇荫处
But they will not do so for much longer. 但它们也坚持不了多久
so they empty their moisture on the mountain slopes, 水汽在山坡上逐渐凝结
they can travel widely in search of mates. 它们便能长途跋涉寻找配偶
They discovered that Lechuguilla's limestone had actually been eaten away by sulphuric acid, 他们发现龙舌兰洞的石灰岩 实际上是被硫酸侵蚀的