由于盲蛇的化石基本上不存在，所以它们的进化历程还是个谜。

Blind snake fossils are nearly nonexistent, so their evolutionary history has been a mystery.

youdao

在当风的窗口，孀妇发现有条盲眼蛇在游动。

At the windy window, the widow finds a blind snake winding.

youdao

在当风的窗口，孀妇发现有条盲眼蛇在游动。

At the windy window, the widow finds a blind snake winding.

youdao