1-10 20 30 40 50 60 70 80 90 100这些数的基数词和序数词全部

/ 基数词 序数词
1 one first
2 two second
3 three third
4 four fourth
5 five fifth
6 six sixth
7 seven seventh
8 eight eighth
9 nine ninth
10 ten tenth
20 twenty twentieth
30 thirty thirtieth
40 fourty fortieth
50 fifty fiftieth
60 sixty sixtieth
70 seventy seventieth
80 eighty eightieth
90 ninety ninetieth
100 one hundred one hundredth

有规律的像9.19.....