by the time we realize,most of the winnter has passed求解释

问题描述:

by the time we realize,most of the winnter has passed求解释
是winter

当我们意识到是,冬天已快过去
by the time we realize:状语,其中we realize做the time的定语从句,by the time的意思是到什么时候为止.
most of the winnter has passed:冬天的大部分已经过去.现在完成时.