问题描述: 15-year-old 与15 years old 的区别有没有 15 years-old呢? 1个回答 分类:英语 2014-10-29 问题解答: 我来补答 15-year-old 可以做形容词,如 a 15-year-old boy; 15 years old 只能作表语,如he is 15 years old 展开全文阅读