as引导的伴随状语从句（as引导方式状语从句的用法）

As，引导的伴随状语从句，例如They were drinking happily as the children played around. 他们在开心的喝着，孩子们在周围玩. 就是As引导的伴随状语从句

比较状语从句

He is as old as Lily