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