1. by air 通过航空途径  2. by air 通过航空途径  3. by all means 尽一切办法,务必  4. by all means 尽一切办法;一定  5. by all nerves 高度不安,神经紧张  6. by and by 不久,迟早  7. by and by 不久以后,将来  8. by and large 总的来说,大体上  9. by any means 无论如何  10. by chance 偶然,碰巧  11. by chance 偶然,碰巧,意外地  12. by comparison 比较起来  13. by error 错误地  14. by far …得多;最最  15. by far 最,...得多  16. by force 凭借暴力;强迫地  17. by hand 用手,用体力  18. by hand 用手;用手工的  19. by heart 熟记,牢记,凭记忆  20. by instinct 凭(靠)本能  21. by itself 自动地,独自地  22. by itself 自动地;单独地  23. by leaps and bounds 飞速地,突飞猛进地  24. by little and little 一点一点地,逐渐地  25. by means of 用,凭借,依靠  26. by means of 用,依靠  27. by mistake 错误地  28. by mistake 错误地,无意地  29. by name 名叫;用名字  30. by nature 生性,本性上