P-nitroacetophenone
[化] 对硝基苯乙酮
🗣️ 情景例句
I've got a million things to do.
我有很多事情要做。
Courtesy costs nothing.
谦虚恭敬，不用分文。
You go to the school office and telephone the police. Please hurry up!
“你去学校办公室给警察打电话。请快一点！快点！”