第一至第二十的英语序数词

问题描述:

第一至第二十的英语序数词

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) fifteenth (15th) sixteenth (16th) seventeen (17th) eighteenth (18th) nineteenth (19th) twentieth (20th)