Piperidine
n. [化]哌啶,氮杂环己烷
🗣️ 情景例句
I'm sorry, I didn't mean to bother you.
对不起，真不想打扰你。
Horrible!
好恐怖！
We'll need all our orders packed that way from now on.
今后我们所有的货都要照样包装。