Picolinium
[化] 甲基吡啶┹; 皮考啉┹
🗣️ 情景例句
you, and the rest of our family.
你和我们家的其他人。
That important man is very unassuming in his manner.
那个要人彬彬有礼，是一位毫不摆架子的人。
How long has Kate been at her school?
凯特进校学习有多长时间了？