Diazodinitrophenol
重氮二硝基苯酚
🗣️ 情景例句
In what subject did you get the highest marks?
你哪门科目得分最高？
I phoned him last Saturday.
我上个星期六打电话给他。
Excuse me, what's that in English?
这个用英语该怎么说呢？