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