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

建议：这些单词是英语学习的基础，建议通过多种方式（如阅读、听力、写作等）进行复习和巩固，以达到熟练掌握的程度。