reptilian相关的词根或词缀是: rept

He explained that that boy only had what was called a reptilian brain stem .

他解释道那个男孩只有一种叫做爬行动物的脑干。

A reptilian brain stem is not capable of maintaining basic bodily functions such as breathing , heart or liver .

一个爬行动物脑干不能维持像肺的呼吸、心跳和肝脏解毒的身体基本功能。

Reptiles might also experience rem , and some scientists argue that our mammalian dreaming might be a holdover from our reptilian brains .

爬行动物可能也会经历这个阶段，而且也有一些科学家坚持认为人类的睡眠还是从爬行动物那里继承过来的。

The reptilian mind is usually equated in the human one with traits like aggression , dominance and sexual appetite .

爬行动物的头脑通常情况下与人脑相同，也具有侵略、支配和性欲的特性。

However , the mammalian ( or emotional ) brain never disappears , and reptilian instincts come to the fore in a crisis .

然而，“哺乳动物”（即情感）层从未消失，遇到危机，“爬行动物”本能便会显现。