one two three four five six seven eight nine ten
1 2 3 4 5 6 7 8 9 10
eleven twleve thirteen forteen fifteen sixteen seventeen eighteen nineteen twenty
11 12 13 14 15 16 17 18 19 20
twenty-one
21
thirty
30
forty
40
fifty
50
sixty
60
seventy
70
eighty
80
ninety
90
one hundred
100
未提到的两位数 仿照21用几十+几表示即可