Papp
[医][=para-aminopropiophenone]对氨基苯丙酮
🗣️ 情景例句
How much paint, how many hours of work ...
多少油漆， 多少小时的工作量……
How long is the ticket valid?
这车票有效期多久？
The man who, in old age, can see his life in this way,
上了年纪的人这样看待生命，