作业帮第31 用31st 还是31th
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/13 22:04:18
on具体某一天,介词用on单指月份用in
第一first1st第二second2nd第三third3rd第四fourth4th第五fifth5th第六sixth6th第七seventh7th第八eighth8th第九ninth9th第十ten
thirty-first,缩写31st没错说实话,我还没理解你的意思,如果你是说第31,那就是31st或者thirty-first都是一样的,如果你是说第31次,那就是thiry-firsttime
firstsecondthirdfourthfifthsixthseventheighthninthtentheleventhtwelfththirteenthfourteenthfifteenths
22ndtwentysecond25thtwentyfifth26thtwentysixth28thtwentyeighth30ththirtieth31stthirtyfirst前面的都是后面的缩写
加st,31stthirty-first同样有thirty-second32ndthirty-third33rd
11th吧...eleventh而不是ten-first
25th-Twenty-fifth26th-Twenty-sixth28th-Twenty-eighth30th-Thirtieth31st-Thirty-first
thirty-firstninetiethtwenty-secondfourty-third
没有的啦,都是按序数词的规律来加的,基本的规律是：1st,2nd,3rd,其余的才加th,遇到y,把y变成i,加th,遇到有f,把f改成ve加th.你是不是弄错了?
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31st,除了11号以外所有的1号都是st祝楼主更上一层楼
,31stthirty-first,取最后两个字母st
21号是21st21=20+120就不变了,变后边的122号是22nd同上再问：1st2nd3rd4th-10th11th-20th21st22nd23rd24th-30th31st您帮看下对么再答：
是用31st只要后面是1就放st,最后是2就放nd,最后是3就放rd,最后是4,5,6,7,8,9,0就放th.
thirty-first口诀：基变序,有规律；123特殊记,8减t,9减e；f要把ve替,y要变ie.
Paulisgoingtodoalotofthingsinthesummervacation.Thefollowingishisplanforthesummerholiday:Firstofall,i
1指的是first,所以应是后者.
22ndtwenty-second31stthirty-fist43rdforty-third55thfifty-fifth101stonehundredandfirst80theightieth
任何数字的序数,尾数是1、2、3的(除了尾数是11/12/13外）都参照first(-st),second(-nd)和thrid(-rd)来表述,其余都是-th例如：11->11th12->12th1