1至30基数词序数词就要1至三十一个基数词一个序数词

111111111111111

序数词 基数词 eight twenty
1.first one nine twenty-one
2.second two ten
3.third three eleven thirty
4.forth four twelve 21-29加-123456789
5.fifth five thirteen thirty-one
6.sixth six 13-19加teen
7.seventh seven fifteen
都加th

基数词 序数词 基数词 序数词 基数词 序数词one first eleven eleventh twenty-one twenty-first two second twelve twelfth twenty-two twenty-second...