Tom is the age of jim A.twice B.as old

问题描述:

Tom is the age of jim A.twice B.as old
Tom is the age of jim A.twice B.as old as选什么

A
这是倍数句型
【倍数+ the+ 名词+ of+ 被比对象】
再如:
This playgound is twice the size of that one.

比较:
Tom is as old as Jim.

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