Dioxopiperidine
二氧代哌啶, 哌啶二酮
🗣️ 情景例句
Did you finish the ...?
你完成了……吗？
Please say it again.
请再说一遍。
'My dog had taken in into the garden.He often does this!'
“我的狗把它弄到花园里去了，他常干这种事！”