The end of the devonian was a crucial time for vertebrates .

泥盆纪末期是脊椎动物出现很的关键时期。

All vertebrates contain molecules in their cells that will bind to dioxins and related compounds .

所有的脊椎动物体内的细胞里都含有可与二恶英及其化合物联结在一起的分子。

Living vertebrates , he decided , were just as interesting as their extinct relatives .

他确信，活着的脊椎动物和它们已经灭绝的亲属一样有趣。

Their venom is especially toxic to vertebrates , which makes their bite problematic for humans .

他们的毒液的毒性专门针对脊椎动物，这使得他们的叮蛰给人类带来麻烦。

Indeed , the project 's main aim is to explain how vertebrates use perception to guide their movements .

实际上，这个项目的主要目的是解释脊椎动物如何利用感知能力来指导它们的运动。