Picolinium
[化] 甲基吡啶┹; 皮考啉┹
🗣️ 情景例句
You might want to know more about it.
我想你肯定想多了解点吧。
Nothing so necessary for travellers as languages.
旅行者最需要的是几种语言。
Hello. Is that Bob?
喂！是鲍勃吗？