第三十thirtieth

thirtieth(第30)

第三十：30ththirtieth规律总结：1、就是twenty-first，后面到29以此类推31为thirty-first，直到39以此类推41为forty-first，后面同上50为fiftieth；第1、2、3是例外。2、第四以后都是数字加th，比如4th,5th...

thirty-first第三十一fifty-sixth第五十六seventy-third第七十三ninety-ninth第九十九编辑本段第一百以上的多位序数词由基数词的形式变结尾部分为序数词形式来表示。onehundredandtwenty-first第一百二十一...

第19nineteenth第20twentieth第21twenty-first第22twenty-second第23twenty-third第24twenty-fourth第25twenty-fifth第26twenty-sixth第27twenty-seventh第28twenty-eighth第29twenty-ninth第30...

first(1st)second(2nd)third(3rd)fourth(4th)fifth(5th)sixth(6th)seventh(7th)eighth(8th)ninth(9th)tenth(10th)eleventh(11th)twelfth(12th)thirteenth(13th)fourteen(14th)...

1one2two3three4four5five6six7seven8eight9nine10ten11eleven12twelve13thirteen14fourteen15fifteen16sixteen17seventeen18eighteen19nineteen20twenty二十几、三十...

fourteen、fifteen、sixteen、seventeen、eighteen、nineteen。（10—19）twenty、twenty-one、twenty-two、twenty-three、twenty-four、twenty-five、twenty-six、twenty-seven、twenty-eight、twenty-nine、thirty。（20—30）...

(20th)twenty-first第21twenty-second第22twenty-third第23twenty-fourth(第24)twenty-fifth(第25)twenty-sixth(第26)twenty-seventh(第27)twenty-eighth(第28)twenty-ninth(第29)thirtieth(第30)...

第22twenty-second22nd第23twenty-third23rd第24twenty-fourth24th第25twenty-fifth25th第26twenty-sixth26th第27twenty-seventh27th第28twenty-eighth28th第29twenty-ninth29th第30thirtieth...