Hexahydropyridine
[化] 哌啶
🗣️ 情景例句
No, thank you.
不要，谢谢。
Let me give you an indication.
我可以提示一个想法。
During a radio programme, a company of biscuit manufacturers once asked listeners to bake biscuits and send them to their factory.
有一次，在电台播放的节目里，一个生产饼干的公司请听众烘制饼干送到他们的工厂去。