- 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 - And as mammals prospered,
随着哺乳动物的繁荣发展 - so too did the snakes that fed on them.
以之为食的蛇也兴盛起来 - Today, there are more than 3,000 species of snake.
如今世界上有超过3000种蛇 - With their sinuous bodies...
凭借其蜿蜒的身体 - packed with muscle...
发达的肌肉 - they've evolved to exploit almost every habitat on Earth.
它们进化出了 适应地球上几乎每一个栖息地的能力