Question

1-30的序数词用英语怎么说？

Answer 1

1st = first；2nd = second；3rd=third；4th=fourth。
5th=fifth；6th=sixth；7th=seventh；8th=eighth。
9th=ninth；10th=tenth；11th=eleventh；12th=twelfth。
13th=thirteenth；14th=fourteenth；15th=fifteenth；16th=sixteenth。
17th=seventeenth；18th=eighteenth；19th=nineteenth；20th=twentieth。
21st=twenty-first；22nd=twenty-second；23rd=twenty-third；24th=twenty-fourth。
25th=twenty-fifth；26th=twenty-sixth；27th=twenty-seventh；28th=twenty-eighth。
29th=twenty-ninth；30th=thirtieth。

Answer 2

first, second, third, fourth, fifth,sixth....