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