1-30的数字英文序数词
问题描述：
1-30的数字英文序数词
答
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 1...