Piperidine
n. [化]哌啶,氮杂环己烷
🗣️ 情景例句
What is your career objective?
你的事业目标是什么？
There aren't any other worms for me to play with. I'm the only worm here.
此地没有和我玩的虫虫。这里只有我一条而已。
The doctors removed a section of the mummy and sent it to a laboratory.
医生们从木乃伊身上取下一个切片，送去化验。