to the very origin of life on Earth. 一直可以追溯到地球生命的起源
cave lions can bring down the very largest of prey. 能够捕食这种最大的猎物
learning the skills needed to survive on the very edge of life. 学习在生命边缘生存所需的技能
The monkeys have discovered their very own insect repellent. 猴子们发现了它们自己的驱虫剂
...protected by their very own life-support capsules. 它们受到自己的救生舱的保护
but it leads a very different, mainly plant-eating life. 但过着 非常不同的、以植物为主食的生活
that, for the very first time in Earth's history, 以至于陆地上的物种数量超过海洋