N,n-diethylnicotinamide
[化] 烟酰乙胺
🗣️ 情景例句
Havefun!
开心点。
How much for a one-way ticket to shanghai?
去上海的单程票多少钱？
Suddenly the door of the storeroom was opened and a man entered.
突然贮藏门开了，一个男人走了进来。