英语1-100系数词及缩写
1 one first 2 two second 3 three third 4 four forth 5 five fifth 6 six sixth 7 seven seventh 8 eight eighth 9 nine ninth 10 ten tenth 11 eleven eleventh 12 twelve twelveth 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19...