求分析这句英语among 70-year-olds there are twice as many women as m

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求分析这句英语
among 70-year-olds there are twice as many women as men.
70岁老年人中,女性比男性多一倍.
这句英文为什么这样写呢?这种句型中 as...as之间应该是形容词副词啊,为什么是名词呢.
A是B的几倍,通常我见的都是这种句型.your apple is two times as big as mine.your apple is two times bigger than mine
总之,among 70-year-olds there are twice as many women as men.这句话为什么这样写,请分析

还有一种啊Your apple is two times the size of mine.
① 表示“……是……倍”,由“倍数 as 形容词 as ”结构组成.
例如：
Our factory is twice as big as theirs. 我们的工厂是他们的三倍.
②as many 名词 as...也可以
There are some apples.I have three times as many as you. 我有你三倍那么多.
[注] 一倍用once,两倍用 twice.
I have three times as many apples as you.
〖①as.many 名词 as〗可以看成〖②as...形容词as 〗变成的
方便理解,可以说：①是②的升级版!
如果用as...adj...as就只能拆为两句话:
among 70 year -olds, there are women twice as many as men.
如果用as many 名词 as一句话就OK啦,所以这个更高级一些.
不信你试试?
用as many n.as一句话就能表达倍数关系,而用as...many as得用两句话.

there are twice as many women as men. there are twice as many apple as There are twice as many A as B=A are twice as many as There are three times as many grils as boys.求分析这句话主要是后面的as m 翻译：There are twice as many giant pandas as before there are twice as many giant pandas as before.原文 There are twice as many giant pandas as before,急求全文翻译或原文,帮帮忙 there are twice as many pine trees as there are fruit trees and now there are twice as many 其中as many 什么成分 twice many; twice as many there are twice as many giant pandas as before 全文翻译 and today there are twice as many bicycles as cars in the ci