一个英语问题，关于语法的（急！在线求解！诚心求解！！）

Question

请问＂10-year-old,10-years-old, 10 year old,10 years old"之间有何区别？？

Answer 1

year-old 是形容词，后面可以加名词，这个词中间那个是“-”是连词符号

years old是表示几岁，比如5 years old

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Answer 2

10-years-old, 10 year old这两种写法是错的

10-year-old 起形容词作用 修饰名词 如 a 10-year-old boy 一个十岁的男孩
10 years old 回答年龄 十岁了

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Answer 3

10-year-old,十岁的，如：She is a 10-year-old girl.
10-years-old, 没有这种说法
10 year old,没有这种说法
10 years old,十岁，如：She is 10 years old.

Answer 4

10-year-old,意思是十岁的,是形容词,多用作定语,修饰名词.例如:I have a 10-year-old daughter.the 10-year-old 也可以用作名词.如:He is the most diligent among the 10-year-old.10 year old,是个形容词短语，多用作表语.例如：My daughter is 10 year old.

Answer 5

10-year-old是复合形容词表示十岁的
示例：He is an 10-year-old boy.
the 10-year-old 也可以用作名词.如:He is the most diligent among the 10-year-old.
10 years old是十岁
示例：He is 10 years old.

Answer 6

10-year-old和10 years old是一样的意思，语法上是正确的；10-years-old 和 10 year old是错误的表达。