1至100序数词：

第1 first 1st

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第21 twenty-first 21st

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第24 twenty-fourth 24th

第25 twenty-fifth 25th

第26 twenty-sixth 26th

第27 twenty-seventh 27th

第28 twenty-eighth 28th

第29 twenty-ninth 29th

第30 thirtieth 30th

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第32 thirty-second 32nd

第33 thirty-third 33rd

第34 thirty-fourth 34th

第35 thirty-fifth 35th

第36 thirty-sixth 36th

第37 thirty-seventh 37th

第38 thirty-eighth 38th

第39 thirty-ninth 39th

第40 fortieth 40th

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第47 forty-seventh 47th

第48 forty-eighth 48th

第49 forty-ninth 49th

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第70 seventieth 70th

第71 seventy-first 71st

第72 seventy-second 72nd

第73 seventy-third 73rd

第74 seventy-fourth 74th

第75 seventy-fifth 75th

第76 seventy-sixth 76th

第77 seventy-seventh 77th

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第89 eighty-ninth 89th

第90 ninetieth 90th

第91 ninety-first 91st

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第99 ninety-ninth 99th

第100 one hundredth 100th