Picolinyl
皮考啉基, 甲代吡啶基
🗣️ 情景例句
What are you doing up this late?
这么晚你不睡在干什么？
No road is long with good company.
途有好伴，不觉路远。
I'll send you a note about that.
我会寄一张便条给你。