Naphthazin
[化] 氮杂蒽
🗣️ 情景例句
Well, why don't you tell us about that, Michelle?
那好，能否给我们讲一讲 Michelle？
Without practice, hopes will be reduced to zero.
没有实践，希望会化为乌有。
I would like to ask you about some stamps.
我想问问有关一些邮票的事。