Picolinium
[化] 甲基吡啶┹; 皮考啉┹
🗣️ 情景例句
You ordered enough for three or four people,but I'm not complaining.
你叫了够三到四个人吃的菜，但我毫不在意。
The greatest obstacle to progress is prejudice.
进步的最大障碍是偏见。
Where's that?
苏格兰在什么地方？