Picolinyl
皮考啉基, 甲代吡啶基
🗣️ 情景例句
Where's the campus cafeteria?
校园的食堂在哪儿？
Pigs may fly,but they are very unlikely birds.
猪儿纵会飞，终究不是鸟。
but at this age the likelihood of death is least.
但在这个年龄死亡的可能性最小。