1、基数词和序数词对照表(1-100)数字 基数词 序数词 缩写1 one first 1th2 two second 2nd3 three third 3rd4 four fourth 4th5 five fifth 5th6 six sixth 6th7 seven seventh 7th8 eight eighth 8th9 nine ninth 9th10 ten tenth 10th11 eleven eleventh 11th12 twelve twelfth 12th13 thirteen thirteenth 13th14 fourteen fourteenth 14th15 fi
2、fteen fifteenth 15th16 sixteen sixteenth 16th17 seventeen seventeenth 17th18 eighteen eighteenth 18th19 nineteen nineteenth 19th20 twenty twentieth 20th21 twenty-one twenty-first 21st22 twenty-two twenty-second 22nd23 twenty-three twenty-third 23rd24 twenty-four twenty-fourth 24th25 twenty-five twen
3、ty-fifth 25th26 twenty-six twenty-sixth 26th27 twenty-seven twenty-seventh 27th28 twenty-eight twenty-eighth 28th29 twenty-nine twenty-ninth 29th30 thirty thirtieth 30th40 forty fortieth 40th50 fifty fiftieth 50th60 sixty sixtieth 60th70 seventy seventieth 70th80 eighty eightieth 80th90 ninety ninetieth 90th100 hundred hundredth 100th