一至三十的英文表达如下：
1. One
2. Two
3. Three
4. Four
5. Five
6. Six
7. Seven
8. Eight
9. Nine
10. Ten
11. Eleven
12. Twelve
13. Thirteen
14. Fourteen
15. Fifteen
16. Sixteen
17. Seventeen
18. Eighteen
19. Nineteen
20. Twenty
21. Twenty-one
22. Twenty-two
23. Twenty-three
24. Twenty-four
25. Twenty-five
26. Twenty-six
27. Twenty-seven
28. Twenty-eight
29. Twenty-nine
30. Thirty
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