Naphthaquinone
萘醌
🗣️ 情景例句
Ladies and gentlemen,
各位女士， 各位先生，
All right. I will send the information on a piecemeal basis as we acquire it.
好。我们收齐之后会立即寄给你。
I must go to the grocer's.We haven't got much tea or coffee, and we haven't got any sugar or jam.
我得去一下食品店。我们的茶叶和咖啡不多了，糖和果酱也没有了。