every four days与 every fourth day的区别在语法和翻译上的区别

every four days与 every fourth day的区别在语法和翻译上的区别 every other three days =every four days 对不? Four days! each four days和every four day各自是什么意思,有什么区别? 高手帮忙回答下every four days与 every fourth day的区别The Olympic Games are held ()A.each four years B.every fourth year C.every four years D.each fourth years如果没有区别,这个又选什么呢?不要复制别答案的给我看 every day与these days的区别 every two days与every other day是什么时意思 He has only four lessons every day but he goes to school six days a week. four days before Four days count every few days 与every a few days的区别,哪个是对的, every ten days与evry ninth day有什么区别 every ten days与evry ninth day有什么区别 every four years 与 every third year every foevery four years 与 every third yearevery four years 是每隔四年?every third year是隔两年?what?书上为什么说它们相等? Hours in four days -days in four weeks 英译中every four weeks every fourth week every four years代表什么 every four years什么意思?