Along the way, they had created so many new environments 在此过程中 创造出许多新的环境
These are the extremes that can evolve 这些都是在永恒的生死博弈中
in the eternal game of life and death. 进化出的极端情况
The cold-blooded sidewinder bides its time. 冷血的侧进蛇耐心地等待
so too did the snakes that fed on them. 以之为食的蛇也兴盛起来
They've been playing this game since the dawn of the dinosaurs. 它们从恐龙时代初期 就开始玩这个游戏
in this instance, the mammals win out. 这次哺乳动物胜出