
序数词和缩写: first 1st;second 2nd;third 3rd; fourth 4th; fifth 5th;sixth 6th; seven 7th;eighth 8th;ninth 9th;tenth 10th;eleventh 11th;twelfth 12th。
基数词:one,two,three,four,five,six,
seven,eight,nine,ten,eleven,twelve.

序数词和缩写: first 1st;second 2nd;third 3rd; fourth 4th; fifth 5th;sixth 6th; seven 7th;eighth 8th;ninth 9th;tenth 10th;eleventh 11th;twelfth 12th。
基数词:one,two,three,four,five,six,
seven,eight,nine,ten,eleven,twelve.