Piperylone
[化] 哌立酮; 哌吡唑酮
🗣️ 情景例句
Shall I tell him you called?
我告诉他你来过电话，好吗？
I only wear a tie on special occasions.
我只有在特殊场合才带。
What is the price difference?
价钱差多少？