30英文怎么读（30英文）

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) twenty-first 第21 twenty-second 第22 twenty-third 第23 twenty-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)。