Paroxypropiophenone
对羟基苯丙酮
🗣️ 情景例句
What ever will be, will be.
该怎样，就会怎样。
I took 4 feet of cloth.
我拿了四英尺布。
The hottest month is July. Autumn starts in August, and goes on to October.
最热的月份是7月。秋天开始于8月，持续到10月。