1至50序数词:
第1 first 1st,第2 second 2nd,第3 third 3rd,第4 fourth 4th,第5 fifth 5th,
第6 sixth 6th,第7 seventh 7th,第8 eighth 8th,第9 ninth 9th,第10 tenth 10th,
第11 eleventh 11th,第12 twelfth 12th,第13 thirteenth 13th,第14 fourteenth 14th,
第15 fifteenth 15th
第16 sixteenth 16th,第17 seventeenth 17th,第18 eighteenth 18th,
第19 nineteenth 19th,第20 twentieth 20th
第21 twenty-first 21st,第22 twenty-second 22nd,第23 twenty-third 23rd,
第24 twenty-fourth 24th,第25 twenty-fifth 25th
第26 twenty-sixth 26th,第27 twenty-seventh 27th,第28 twenty-eighth 28th,
第29 twenty-ninth 29th,第30 thirtieth 30th
第31 thirty-first 31st,第32 thirty-second 32nd,第33 thirty-third 33rd,
第34 thirty-fourth 34th,第35 thirty-fifth 35th
第36 thirty-sixth 36th,第37 thirty-seventh 37th,第38 thirty-eighth 38th,
第39 thirty-ninth 39th,第40 fortieth 40th
第41 forty-first 41st,第42 forty-second 42nd,,第43 forty-third 43rd,
第44 forty-fourth 44th,第45 forty-fifth 45th
第46 forty-sixth 46th,第47 forty-seventh 47th,第48 forty-eighth 48th,
第49 forty-ninth 49th,第50 fiftieth 50th
扩展资料
多位序词:
由基数词的形式变结尾部分为序数词形式来表示。
one hundred and twenty-first 第一百二十一
one thousand three hundred and twentieth 第一千三百二十
two hundred and fifty-second 第二百五十二
参开资料来源:百度百科-序数词