如题所述
结论：了解1到100的英语单词序数词的写法对于学习和使用英语至关重要。以下是这些序数词的完整列表：
1st first，2nd second，3rd third，4th fourth，5th fifth，6th sixth，7th seventh，8th eighth，9th ninth，10th tenth。接下来的序数词遵循规则：
11th eleventh，12th twelfth，13th thirteenth，14th fourteenth，15th fifteenth，16th sixteenth，17th seventeenth，18th eighteenth，19th nineteenth，20th twentieth。然后是20至30的整十形式，如21st twenty-first，30th thirtieth。
31st thirty-first，32nd thirty-second，33rd thirty-third，40th fortieth，41st forty-first，42nd forty-second，一直延续到49th forty-ninth，50th fiftieth，51st fifty-first。50至60的序数词同样遵循规则，如52nd fifty-second，60th sixtieth。
61st sixty-first，62nd sixty-second，直到90th ninetieth。最后，100th为one hundredth。掌握这些序数词有助于在表达顺序、日期和排名等场合准确地使用英语。
1st first，2nd second，3rd third，4th fourth，5th fifth，6th sixth，7th seventh，8th eighth，9th ninth，10th tenth。接下来的序数词遵循规则：
11th eleventh，12th twelfth，13th thirteenth，14th fourteenth，15th fifteenth，16th sixteenth，17th seventeenth，18th eighteenth，19th nineteenth，20th twentieth。然后是20至30的整十形式，如21st twenty-first，30th thirtieth。
31st thirty-first，32nd thirty-second，33rd thirty-third，40th fortieth，41st forty-first，42nd forty-second，一直延续到49th forty-ninth，50th fiftieth，51st fifty-first。50至60的序数词同样遵循规则，如52nd fifty-second，60th sixtieth。
61st sixty-first，62nd sixty-second，直到90th ninetieth。最后，100th为one hundredth。掌握这些序数词有助于在表达顺序、日期和排名等场合准确地使用英语。
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