"Water is to fish what air is to man" 这里what是神马用法(1)what"是相当于"as"引导状语从句?(2)what引导的表语从句?P.S.说固定用法的"吐槽"者勿扰.

问题描述:

"Water is to fish what air is to man" 这里what是神马用法
(1)what"是相当于"as"引导状语从句?
(2)what引导的表语从句?
P.S.说固定用法的"吐槽"者勿扰.