Xanthinol niacinate
[化] 占替诺烟酸盐; 烟胺羟丙茶碱
🗣️ 情景例句
If someone doesn't buy it before then,
如果在此之前没有人买走的话。
I need the change for the stamp machine.
我需要投入自动售邮票机的零钱。
That's the stupidest thing I've ever heard!
那是我听到的最愚蠢的事！