2,3,5,9,12,15,20,23,100,122的英语序数词!
问题描述：
2,3,5,9,12,15,20,23,100,122的英语序数词!
答
2,second
3,third
5,fifth
9,ninth
12,twelfth
15,fifteenth
20,twentieth
23,twenty-third
100,hundredth
122,one hundred and twenty-second