The crazy thing is that scorpions' basic body plan really hasn't changed.

疯狂的是，蝎子的基本身型并没有改变。

All shared a basic body plan of three parts, or lobes-head, tail, thorax-from which comes the name.

三叶虫的身体都有个相同的基本结构，分为三个部分或三片叶——头、尾和胸。三叶虫的名字由此而来。

There was a host of creatures whose basic body plans would show up again and again, much later in time, by completely unrelated species.

有许多生物的基本身体计划会在很久以后由完全不相关的物种一次又一次地出现。

In 1859, he pointed out that some animals -- like the duck-billed platypus and the lungfish -- seemed to have held onto the same basic body plan for millions of years.

1859 年，他指出一些动物——如鸭嘴兽和肺鱼——似乎在数百万年的时间里都保持着相同的基本身体结构。

" Their basic body plan has proved to be good enough to survive on a savanna full of large predators, being very large, thick-skinned—big, rapierlike horns." Victoria University of Melbourne behavioral ecologist Roan Plotz.

“它们的基本身体计划已被证明足以在充满大型捕食者的热带草原上生存，它们非常大，皮肤很厚 - 大而像剑一样的角。”墨尔本维多利亚大学行为生态学家 Roan Plotz。