1—100的英语序数词 1-100的英语序数词分为10个词库： 一、1到10： 1. first (1st) 2. second (2nd) 3. third (3rd) 4. fourth (4th) 5. fifth (5th) 6. sixth (6th) 7. seventh (7th) 8. eighth (8th) 9. ninth (9th) 10. tenth (10th) 二、11到20： 11. eleventh (11th) 12. twelfth (12th) 13. thirteenth (13th) 14. fourteenth (14th) 15. fifteenth (15th) 16. sixteenth (16th) 17. seventeenth (17th) 18. eighteenth (18th) 19. nineteenth (19th) 20. twentieth (20th) 三、21到30： 21. twenty-first (21st) 22. twenty-second (22nd) 23. twenty-third (23rd) 24. twenty-fourth (24th) 25. twenty-fifth (25th) 26. twenty-sixth (26th) 27. twenty-seventh (27th) 28. twenty-eighth (28th) 29. twenty-ninth (29th) 30. thirtieth (30th) 四、31到40： 31. thirty-first (31st) 32. thirty-second (32nd) 33. thirty-third (33rd) 34. thirty-fourth (34th) 35. thirty-fifth (35th) 36. thirty-sixth (36th) 37. thirty-seventh (37th) 38. thirty-eighth (38th) 39. thirty-ninth (39th) 40. fortieth (40th) 五、41到50： 41. forty-first (41st) 42. forty-second (42nd) 43. forty-third (43rd) 44. forty-fourth (44th) 45. forty-fifth (45th) 46. forty-sixth (46th) 47. forty-seventh (47th) 48. forty-eighth (48th) 49. forty-ninth (49th) 50. fiftieth (50th) 六、51到60： 51. fifty-first (51st) 52. fifty-second (52nd) 53. fifty-third (53rd) 54. fifty-fourth (54th) 55. fifty-fifth (55th) 56. fifty-sixth (56th) 57. fifty-seventh (57th) 58. fifty-eighth (58th) 59. fifty-ninth (59th) 60. sixtieth (60th) 七、61到70： 61.sixty-first (61st) 62.sixty-second (62nd) 63.sixty-third (63rd) 64.sixty-fourth (64th) 65.sixty-fifth (65th) 66.sixty-sixth (66th) 67.sixty-seventh (67th) 68.sixty-eighth (68th) 69.sixty-ninth (69th) 70.seventieth (70th) 八、71到80： 71.seventy-first (71st) 72.seventy-second (72nd) 73.seventy-third (73rd) 74.seventy-fourth (74th) 75.seventy-fifth (75th) 76.seventy-sixth (76th) 77.seventy-seventh (77th) 本文来源：https://www.wddqw.com/doc/721da1a98aeb172ded630b1c59eef8c75fbf95f7.html