two years old与two-year-old的用法区别

发布时间：2021-02-26 12:48:31

two years old与two-year-old的用法区别

网友回答

two years old 只可以做 表语 意思是 两岁
如 I am two years old.
two-year-old 只可以做 定语 意思是 两岁的
如 I am a two-year-old boy.
但不可以互换
======以下答案可供参考======
供参考答案1:
前者放在系动词后作表语，而后者只能放在名词前作定语。如：
The boy is two years old.
a two-year-old boy
以上问题属网友观点，不代表本站立场，仅供参考！