Methylnicotinamide
[化] 甲基烟酰胺
🗣️ 情景例句
Don't be mixed up in such business.
不要跟这种事有所关连。
A man is as old as he feels.
老不老，自己晓。
Though a little suspicious this time, the policeman gave him the same answer.
虽然那位警察这次有点疑心，但还是对他作了同样的回答。