Nitrophenylation
硝苯基化
🗣️ 情景例句
Tom's about to open the doors. Tom
准备要开门了。
How often did I tell you to speak clearly?
我告诉你多少次要讲清楚?
If you jump the queue ,other people will not be pleased!
如果你夹塞儿，别人就会不高兴！