six-year-old和six years old用法有什么区别?
six-year-old和six years old用法有什么区别?
six-year-old boy和six years old boy 有什么区别?一样么?为什么?
six years old 和 six- year- old 和 six- year- olds的区别
请问是six-year-old还是six years old还是six-years-old?(这个空签名有个a )
six years old与six-year-old有什麽区别拜托了各位
five-year=old和five years old用法有什么区别啊
fifteen-year-old 和fifteen years old 有什么区别?包括他们各自的用法
six-year-old与six-year-olds的区别
11-year-old和11 years old有什么区别
three-year-old 和 three years old 有什么区别
three -year-old 和 three years old有什么区别?
years old 和year-old的区别和用法