删除词汇
1.accidental
2. astronaut
3. attendance
4. bearing
5. beg
6. blackmail
7. breath
8. building
9. capitalism
10. certainly
11. chew
12. circle
13. concerning
14. container
15. contradiction
16. conventional
17. corresponding
18. customary
19. daytime
20 directly
21 disregard
22. elderly
23. establishment
24. experimental
25. improvement
26. jeans
27. keep
28. lean
29. learned
30. learning
31. machinery
32. monthly
33. noticeable
34. overwhelming
35. perfection
36. practically
37. quarterly
38. refreshment
39. rehearsal
40. replacement
41. shortly
42. statistical
43. steamer
44. transition
45. usually
46. writing
