Dioxopiperidine
二氧代哌啶, 哌啶二酮
🗣️ 情景例句
Housewife campaigns in appliance stores.
家庭主妇在电器行 进行竞选活动 。
Have you finished yet?
你做完了吗？
For example, Lily likes to dance, but I like to sing.
比如，莉莉喜欢跳舞我却喜欢唱歌。