Along the way, they had created so many new environments 在此过程中 创造出许多新的环境
so too did the snakes that fed on them. 以之为食的蛇也兴盛起来
...so they can grow into giant-sized adults. 以便能够成长为体型庞大的成年恐龙
As the plesiosaur can only eat so much, 因为蛇颈龙食量有限
so these lizards get their water from an unexpected source, 因此这些蜥蜴 从一个意想不到的地方获取水源
so they don't shrivel in the baking sun. 所以不会在烈日曝晒下干瘪
Never had their survival been so important. 其生存从未如此重要