four-year 和four years有什么区别?

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/26 15:38:25

four-year是个合成而来的形容词,只能做定语；
four years是个短语,可以单纯做名词也可以做时间状语.
例如：It's a four-year course.这是一个为期四年的课程.
He has been here for four years.他在这已经待了四年了.

four-year 和four years有什么区别? four-year-old和four year old有什么不同单词four-day和four days有什么区别? four more 和 more four 有什么区别啊 every fourth year和every four years一样吗 every four years和every fourth year一样吗? 四米深用英语怎么说?为什么? four metre 和 four-metre有什么区别? years和year有什么区别 four years every four years代表什么 every four years什么意思? every four years 和each four years哪一个对