Nicamide
[化] N,N-二乙基烟酰胺
🗣️ 情景例句
He told me to call him about my project,
他叫我打电话给他， 跟他谈我的作品计划，
Teach your grandmother to suck eggs.
班门弄斧。
With all these mouths to feed, he didn't know what to do.
由于有那么多人要供养，他不知道怎么办才好。