Papp
[医][=para-aminopropiophenone]对氨基苯丙酮
🗣️ 情景例句
Keep out of what doesn't concern you.
不关你的事不要插手。
Why does only one sock get lost at a time?
为什么袜子只丢了一只呢？
It's a pleasure. I'll see you tomorrow.
很高兴为您效劳。明天见。