the iguanas help other animals to survive here, too. 同时还帮助了其它动物在此生存
Even those that do find these are tough places to survive. 即使有 环境也极其难以生存
If he is to survive here, he has much to learn. 他还需要学习很多东西 才能在这存活下去
The struggles to survive on these remote lands 这些偏僻岛屿上为生存所做的努力
and reveal the extreme lengths animals go to to survive. 去揭秘动物们为了生存 突破的种种极限
To survive, they must find prey daily 为了生存,它们必须每天寻找猎物
but those that survive will, eventually, as their mothers did before them, 活下来的海龟最终还会做它们的母亲做过的事情
it is their ability to survive annual change, that has enabled them to cover 它们这种在季节变化生存的本领
for they will replenish the fat reserves that the lemurs need to survive the barren dry season. 飞蛾是狐猴挺过干季的重要的脂肪来源
but at least they can survive on meager rations. 至少它们可以在这个贫瘠的地方存活