Copyrine
[化] 2,7-萘啶; 2,7-二氮杂萘
🗣️ 情景例句
All right, but I'm buying next time.
好吧，不过下回我付钱。
Poor but honest.
虽贫穷，要诚实。
I would suggest that you use this material instead of that.
我建议你改用这种替代那种。