单词four-day和four days有什么区别?还有很多这样一类的单词,帮忙详细说明谢谢!

单词four-day和four days有什么区别?还有很多这样一类的单词,帮忙详细说明谢谢! each four days和every four day各自是什么意思,有什么区别? four- day holiday是否等于four days' holiday? Four days! four days holiday和 four-day holiday 哪个是对的?错的那个为什么错,要怎么改? I think I will have a( ) holiday soonA.four-days B.four-day C.fourth day D.four day the president paid—— a visit to China.A four days B four-day C four-days D four-days’ every four days与 every fourth day的区别在语法和翻译上的区别 four days before Four days count I think I will have a( ) holiday soonA.four-days B.four-day C.fourth day D.four day 选项 谢 four four four FOUR. day after four Hours in four days -days in four weeks 句子有什么错误,.National Day is over four days,the first four days I have been stay at home as had a cold.