1 - 30的基数词和序数词的英文写法.

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 11 eleven- eleventh 12 twelve-twelfth 13 thirteen-thirteenth 14 fourteen-fourteenth 15 fifteen-fifteenth 16 sixteen-sixteenth 17 seventeen-seventeenth 18 eighteen-eighteenth 19 ninteen-nineteenth 20 twenty-twentieth 21 twenty-one--twenty-first 22 twenty-two--twenty-second 23 twenty-three--twenty-third 24 twenty-four--twenty-fourth 25 twenty-five--twenty-fifth 26 twenty-six--twenty-sixth 27 twenty-seven--twenty-seventh 28 twenty-eight--twenty-eighth 29 twenty-nine--twenty-ninth 30 thirty--thirtieth 麻烦采纳,谢谢!