Piperidine
n. [化]哌啶,氮杂环己烷
🗣️ 情景例句
Yes, you are through with it. I hope you will enjoy your stay in China.
是的，检查完毕。希望您在中国过得愉快。
Have a nice Thanksgiving!
感恩节快乐！
Also they make the tank look much prettier.
二来，它们还可以使容器看起来更漂亮些。