【1到100序数词和音标】在英语学习中，序数词是表达顺序、排名或位置的重要词汇。无论是写作文、做报告，还是日常交流，掌握1到100的序数词及其发音都非常重要。本文将为大家整理从1到100的序数词，并附上相应的音标，帮助大家更好地理解和记忆。
一、什么是序数词？
序数词（Ordinal Numbers）是用来表示顺序或位置的数词，如“第一”、“第二”等。与基数词（Cardinal Numbers）不同，序数词通常以“-th”结尾，但也有一些例外情况，比如“first”、“second”和“third”。
二、1到10的序数词及音标
| 基数词 | 序数词 | 音标|
|--------|--------------|---------------------|
| 1| first| /fɜːrst/ |
| 2| second | /ˈsekənd/ |
| 3| third| /θɜːrd/ |
| 4| fourth | /fɔːrθ/ |
| 5| fifth| /fɪfθ/|
| 6| sixth| /sɪksθ/ |
| 7| seventh| /ˈsevənθ/ |
| 8| eighth | /eɪtθ/|
| 9| ninth| /naɪnθ/ |
| 10 | tenth| /tenθ/|
三、11到20的序数词及音标
| 基数词 | 序数词 | 音标|
|--------|--------------|---------------------|
| 11 | eleventh | /ˈeləvənθ/|
| 12 | twelfth| /twelfθ/|
| 13 | thirteenth | /θɜːrˈtiːnθ/ |
| 14 | fourteenth | /ˈfɔːrˈtiːnθ/ |
| 15 | fifteenth| /ˈfɪfˈtiːnθ/|
| 16 | sixteenth| /ˈsɪksˈtiːnθ/ |
| 17 | seventeenth| /ˈsevənˈtiːnθ/|
| 18 | eighteenth | /ˈeɪtʃənˈtiːnθ/ |
| 19 | nineteenth | /ˈnaɪnˈtiːnθ/ |
| 20 | twentieth| /ˈtwentiˌθ/ |
四、21到30的序数词及音标
| 基数词 | 序数词 | 音标|
|--------|--------------|---------------------|
| 21 | twenty-first | /ˈtwentiˌfɜːrst/|
| 22 | twenty-second| /ˈtwentiˌˈsekənd/ |
| 23 | twenty-third | /ˈtwentiˌθɜːrd/ |
| 24 | twenty-fourth| /ˈtwentiˌfɔːrθ/ |
| 25 | twenty-fifth | /ˈtwentiˌfɪfθ/|
| 26 | twenty-sixth | /ˈtwentiˌsɪksθ/ |
| 27 | twenty-seventh| /ˈtwentiˌsevənθ/|
| 28 | twenty-eighth| /ˈtwentiˌeɪtθ/|
| 29 | twenty-ninth | /ˈtwentiˌnaɪnθ/ |
| 30 | thirtyrd | /ˈθɜːrti/ |
> 注：30的正确形式应为 thirtieth，音标为 /ˈθɜːrtiˌð/ 或 /ˈθɜːrtiθ/
五、31到100的序数词及音标（简要）
- 31 – thirty-first
- 32 – thirty-second
- 33 – thirty-third
- 34 – thirty-fourth
- 35 – thirty-fifth
- 36 – thirty-sixth
- 37 – thirty-seventh
- 38 – thirty-eighth
- 39 – thirty-ninth
- 40 – fortieth
- 41 – forty-first
- 42 – forty-second
- 43 – forty-third
- 44 – forty-fourth
- 45 – forty-fifth
- 46 – forty-sixth
- 47 – forty-seventh
- 48 – forty-eighth
- 49 – forty-ninth
- 50 – fiftieth
- 51 – fifty-first
- 52 – fifty-second
- 53 – fifty-third
- 54 – fifty-fourth
- 55 – fifty-fifth
- 56 – fifty-sixth
- 57 – fifty-seventh
- 58 – fifty-eighth
- 59 – fifty-ninth
- 60 – sixtieth
- 61 – sixty-first
- 62 – sixty-second
- 63 – sixty-third
- 64 – sixty-fourth
- 65 – sixty-fifth
- 66 – sixty-sixth
- 67 – sixty-seventh
- 68 – sixty-eighth
- 69 – sixty-ninth
- 70 – seventieth
- 71 – seventy-first
- 72 – seventy-second
- 73 – seventy-third
- 74 – seventy-fourth
- 75 – seventy-fifth
- 76 – seventy-sixth
- 77 – seventy-seventh
- 78 – seventy-eighth
- 79 – seventy-ninth
- 80 – eightieth
- 81 – eighty-first
- 82 – eighty-second
- 83 – eighty-third
- 84 – eighty-fourth
- 85 – eighty-fifth
- 86 – eighty-sixth
- 87 – eighty-seventh
- 88 – eighty-eighth
- 89 – eighty-ninth
- 90 – ninetieth
- 91 – ninety-first
- 92 – ninety-second
- 93 – ninety-third
- 94 – ninety-fourth
- 95 – ninety-fifth
- 96 – ninety-sixth
- 97 – ninety-seventh
- 98 – ninety-eighth
- 99 – ninety-ninth
- 100 – one hundredth
六、小贴士：如何正确使用序数词？
1. 在句子中使用时，序数词前通常加定冠词 “the”，例如：
- The first prize was given to her.
- He is the third in line.
2. 在日期中，序数词常用于表达具体日期，如：
- My birthday is on the 25th of May.
- We will meet on the 1st of June.
3. 在排名中，序数词也经常出现：
- She came in second place.
- This is the fifth time I’ve visited this city.
七、总结
掌握1到100的序数词不仅有助于提高英语表达能力，还能在写作和口语中更加自然地描述顺序和位置。通过不断练习和记忆，你可以轻松应对各种英语场景。希望本文能成为你学习英语序数词的实用工具！
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