把这些数字由基数词变成序数词
问题描述：
把这些数字由基数词变成序数词
1·2·3·4·5·6·7·8·9·10·11·12·20·30·40·50·60·70·80·90·21·35·78
答
first second third forth fifth sixth seventh eighth ninth tenth eleventh twelfth twentieth thirtieth fortieth fiftieth sixtieth seventieth eightieth ninetieth twenty-first thirty-fifth seventy-eighth