15-year-old和15 years old有啥区别

Question

如题所述

Answer 1

15-year-old是合成形容词，只能作定语；15 years old是短语，在句中可作表语，也可作后置定语。如：a 15-year-old boy= a boy 15 years old

Answer 2

15-year-old 成了一个形容词，后面可以接名词15-year-old boy 一个十五岁的男孩15 years old 就只能是做表语 He is 15 years old本回答被网友采纳

Answer 3

前面一个可以作定语用，看作是一个单词，比如a15-year-old boy,后面是三个单词；The boy is 15 years old

Answer 4

一样的意思。都是表示15岁。望采纳，谢谢用法：this boy is 15 years oldthis is 15-year-old boy?

Answer 5

没有区别,意思一样