A is to B what C is to D 句子里的what可否换成as?从语法角度应该如何解释?

A is to B what C is to D 句子里的what可否换成as?从语法角度应该如何解释? A is to B as/what C is to D A is to B as C is to D是什么意思?as 可以换成what吗?what C is to D,that A is to B what C is to D 这种英语句式可否用否定形式 关于A is to B what C is to D 的句式中WHAT 可以用AS代替吗? 帮忙分析一下这个句子的成分：A is to B what C is to D . A is to b what c is to d A is to B what C is to D 的句型,将what从句放句首 A is to B what C is to D 的句型,将what从句放居首 health is to people ( ) sail to boat A .that B.what C.as D.l what A is to B is what C is to D Twelve is to three __ four is to one.a.what b.as c.that d.li