vitamin A1
美 英
例句
You'd think that the first vitamin might be called Vitamin A1 wouldn't you.
您大概會想,第一種維生素大概會被叫做VitaminA1,對吧?
a viscous alcohol that is less active in mammals than is vitamin A1.
一種粘性醇,在哺乳動物中的活性比維生素a弱。