N,n-diethylnicotinamide
[化] 烟酰乙胺
🗣️ 情景例句
But Saturday's my birthday.
但星期六是我的生日。
May I have a customs declaration form, please?
请给一份海关申报表好吗？
I felt sure I would never be able to close the case again.
我相信那箱子再也关不上了。