Hydroxymethylnicotinamide
[化] 羟甲烟胺; 羟甲基烟酰胺
🗣️ 情景例句
Do you know where the nearest post office is?
你知道最近的邮局在哪儿吗？
I only need a thousand more pennies to buy my airplane.
我只要在有一千个一角的铜板，就能买一架飞机了。
The petrol had nearly all been used up.
汽油几乎已经用光。