that they definitely will die if they stay in here, 它们一定会死
It's really quite a risky thing that they're undertaking here. 救援队这项工作真的很冒险
Freshwater here has a turbulent nature. 这里的淡水十分汹涌
There are over a thousand different kinds of fish here... 这里孕育着数以千计不同的鱼类
But there are a few rare places, as here in Lake Malawi, 但在一些罕见之处 比如马拉维湖
But hunting prey that knows you're here... 但猎物也已知晓敌人环伺在周围