Phthalimidine
苯并[C]吡咯酮
🗣️ 情景例句
What do you do when you are not working?
工作之余你有什么消遣活动？
A discontented man knows not where to sit easy.
不满足者坐无宁时。
Thank you.I'll certainly be more careful.
谢谢您。我以后一定会多加注意。