The hours dragged by as I waited for Dad to finish work.
问题描述：
The hours dragged by as I waited for Dad to finish work.
请解释一下这个句子中by和as的用法
答
drap by是固定用法,“经过”.by有“过”的意思,类似的：walk by、pass by
as 在这里有点类似when,但喜欢纠结语法的老师会说when语气更强,但语感这东西难以言传.