Pentahydroxybenzophenone
五羟基二苯(甲)酮
🗣️ 情景例句
Who's the valedictorian of this class?
谁是班里优秀的毕业生？
I will keep you posted.
我会与你保持联络。
In a few years the small workshop had become a large factory which employed seven hundred and twenty-eight people.
几年之后，小铺子已经发展成了一个雇有728人的大工厂。