1到20的基数词序数词
时间：2026-07-05 16:13:08来源：
在英语学习中，掌握数字的基数词和序数词是基础内容。以下为1到20的基数词与对应的序数词总结：
| 数字 | 基数词 | 序数词 |
| 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 | nineteen | nineteenth |
| 20 | twenty | twentieth |
掌握这些基本词汇有助于日常交流和写作，尤其在描述顺序或排名时非常实用。
