five-year-old是不是只能作定语?

five-year-old可以做定语,five years old可以作定语吗? forty-there-year-old 是复合形容词,是不是只能做前置定语 five years old 和five-year-old的区别 five years old与five-year-old区别 是FIVE YEAR OLD还是FIVE YEARS OLD 定语是不是只能修饰名词? 纠错He is five-year-old this year a five-year-old boy还是a five-year old boy west作形容词只能作定语对吗 a five-year-old boy与the boy is five years old的区别 five-year=old和five years old用法有什么区别啊 alive只能作后置定语吗?