Diethylpropion
[化] 安非拉酮; 二乙胺苯酮
🗣️ 情景例句
What beautiful timing.
时间正合适。
Every day is not Sunday.
好景不常在，好花不常开。
I have an exhibition in London this coming month.
下个月我在伦敦要举办一次画展。