基数词序数词缩写意思（序）基数词序数词缩写意思（序）one first1st第一twenty—threetwenty-third23rd第二十三two second2nd第二twenty—fourtwenty—fourth24th第二十四three third3rd第三twenty—fivetwenty—fifth25th第二十五fourfourth4th第四twenty—sixtwenty—sixth26th第二十六fivefifth5th第五twenty-seventwenty—seventh27th第二十七sixsixth6th 第六twenty—eighttwenty—eighth28th第二十八sevenseventh7th第七twenty—ninetwenty—ninth29th第二十九eighteighth8th第八thirtythirtieth30th第三十nineninth9th第九fortyfortieth40th第四十tententh10th第十fiftyfiftieth50th第五十eleveneleventh11th第十一sixtysixtieth60th第六十twelvetwelfth12th第十二seventyseventieth70th第七十thirteenthirteenth13th第十三eightyeightieth80th第八十fourteenfourteenth14th第十四ninetyninetieth90th第九十fifteenfifteenth15th第十五one hundredone hundredth100th第一百sixteensixteenth16th第十六seventeenseventeenth17th第十七eighteeneighteenth18th第十八nineteennineteenth19th第十九twentytwentieth20th第二十twenty—onetwenty-first21st第二十一twenty-twotwenty-second22nd第二十二
