Paroxypropiophenone
对羟基苯丙酮
🗣️ 情景例句
Whose turn is it to wash the dishes today?
今天轮到谁洗碗？
Do you plan to do some odd jobs?
你打算打工吗？
Excuse me. Which is the way to East Park, please?
请问，去东方公园走哪条路？