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