Dioxopiperidine
二氧代哌啶, 哌啶二酮
🗣️ 情景例句
Terrific!
好极了！
We've booked a Western-style room for you.
我们已为你订了一间西式的房间。
And now I'm telling you I can't manage this Friday.
我正要告诉你我星期五没办法（出来）。