adj.爬虫类的；卑鄙的
n.爬行类动物
The reptilian brain is much like a baby's brain. 爬行动物的脑袋很像婴儿的大脑。
Their skulls, pelvises, and hind feet are reptilian. 它们的头骨、骨盆和后腿都类似爬行动物。
