four-year-old和middle-aged 杠表示是什么?

来源：学生作业帮编辑：搜狗做题网作业帮分类：英语作业时间：2024/08/10 10:51:21

用横杠连接表示把组合词变成只能修饰名词的定语,其中复数名词要改为单数.例：four years old（a boy is four years old）变形后作定语a four-year-old boy.

four-year-old和middle-aged 杠表示是什么? four-year-old和four year old有什么不同 middle-age和middle-aged 一样吗 bourgeois(adj.)和middle-aged的区别? only four year old意思 middle-aged什么意思 a middle-aged my father is---------- (four) year old 关于four－year－old 英语语法The middle-aged man ___ an old ball cap and biue jeans t a four-year-old boy可以说成a four-year old boy Mom is middle aged and pretty.这句在发音时那个aged and pretty 怎么连读和