The flood has made life easier for the lions, too. 洪水也让狮子过上了好日子
that made scientists question how these caverns were formed. 使科学家们产生了 这个巨洞如何形成的疑问
Many of these crystals were made of gypsum, 许多结晶都是由石膏组成
Receptors in their skin detect minute movements in the water made by its prey. 皮肤上的探测器能觉察到 猎物引起的最微小的水流变化
and using ladders made from forest vines the gatherers climb into the highest reaches of the cave 采集者利用树藤编成的梯子爬到洞穴的最高处
Their little cup-like nests are made entirely from threads of saliva. 它们小巧的杯状燕窝完全由唾液丝筑建
This hundred metre high mound is made entirely of bat droppings - 这堆100多米高的东西 全都是蝙蝠的排泄物
but their mothers have made this journey before 不过它们的母亲以前也经历过这种旅行