N,n-diethylnicotinamide
[化] 烟酰乙胺
🗣️ 情景例句
A friend of a friend is good pals with the lead singer.
我一个朋友的朋友跟那个主唱歌手是朋友。
I played upstairs yesterday.
我昨天在楼上玩。
I don't think we'll be able to pay these price.
这种价钱我们恐怕没办法接受。