英语语法分析

Snakes are limbless, cold-blooded, and scaly reptiles belonging to the order of Squamata.

蛇是截肢，冷血，和鳞片属于爬行动物的顺序有鳞目。

Yet, the phylogenetic relationships among major groups of Squamata remain controversial up to now.

但到目前为止有鳞目内部的系统发生关系一直存在许多争议。