1、倍数+as+形容词原级+as……例如 this room is twice as big as that one2、倍数+比较级+than……例如 this room is twice bigger than thatone句型能互换吗?
问题描述：
1、倍数+as+形容词原级+as……
例如 this room is twice as big as that one
2、倍数+比较级+than……
例如 this room is twice bigger than thatone
句型能互换吗?
答
可以互换，但是一般
This room is twice as big as that one。
这个房间是那个房间的两倍大。
This room is twice bigger than that one。
这个房间比那个房间大两倍（即是后者的三倍）
答
不可以互换。
第一句话的意思是，是原来的2倍
第二句话的意思是，是原来的3倍
答
句型可以互换但句意却有"天壤之别"
I.
句意"天壤之别"
(1) 倍数+as+形容词原级+as…… 是.的几倍
(2) 倍数+比较级+than ...增加了……倍
以此题为例:假设 That room 面积 = 50平方米
(1)句所以表达意思是 This room = 100 平方米
(2)句所以表达意思是 This room =150平方米
II.
句型却可互换
如果想用句型1表达(2)句的意思如下:
This room is "three times" as big as that one
=This room is twice bigger than that one
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