The man is thirty years old,同义句He is a （）（）thirty-year-old 算一个单词吗?我这后面只给了两个空
问题描述：
The man is thirty years old,同义句He is a （）（）
thirty-year-old 算一个单词吗?我这后面只给了两个空
答
thirty-year-old man