N,n-diethylnicotinamide
[化] 烟酰乙胺
🗣️ 情景例句
You look very young. How old are you?
你看起来真年轻， 你多大了？
I'm not kidding, I love you!
我是认真的，我爱你！
Where's my cup? Is that my cup?
我的杯子在哪儿？那是我的杯子吗？