18 years old和18-years-old有什么区别
18 years old和18-years-old有什么区别
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?
sixteen-years-old与sixteen years old有什么区别
问一下seven-years-old和seven years old有什么区别!
an 18 years old,an 18-year-old有什么区别
year-old和years old的区别
16-year-old和16-year-olds和16 years old有什么区别?
怎样区别forty-years-old 和forty years old
six-year-old boy和six years old boy 有什么区别?一样么?为什么?
five-year=old和five years old用法有什么区别啊