精简查词
我的生词本
在线背单词
查词历史
- 1. backward chaining
- 2. backward and forward integration
- 3. backward and forward
- 4. backward acting
- 5. backward acknowledgement
- 6. backwall
- 7. backvelder
- 8. backveld
- 9. backups
- 10. backup
- 11. backtracking
- 12. backtrack
- 13. backside
- 14. back
- 15. backrest
- 16. backing copy
- 17. backing
- 18. backhander
- 19. backhand
- 20. backgrounding
