Dioxopiperidine
二氧代哌啶, 哌啶二酮
🗣️ 情景例句
Listen to the sounds of the summer that surround us.
仔细倾听环绕我们的夏夜声息。
Every door may be shut but death's door.
除了死门外，每门都可关。
At least sorting out the things she should have discarded years ago was now being made easier for her.
这样一来，她倒是容易将那些几年前就该扔掉的东西找出来了。