问题描述:
fifteen-years-old的用法与区别
fifteen year old ,fifteen years old,fifteen-year-old,fifteen-years-old,语法上分别有什么区别,分别怎么用,最好有例句
fifteen year old ,fifteen years old,fifteen-year-old,fifteen-years-old,语法上分别有什么区别,分别怎么用,最好有例句
问题解答:
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