一个三岁大的孩子:a three-year old baby a three-year-old baby 到底应该是哪个

问题描述:

一个三岁大的孩子:a three-year old baby a three-year-old baby 到底应该是哪个呢?
1个回答 分类:综合 2014-12-04

问题解答:

我来补答
两种:
a three-year-old baby
a three years old baby
 
 
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