Diazodinitrophenol
重氮二硝基苯酚
🗣️ 情景例句
When are they coming?
他们什么时候来？
I wrote to my uncle last night.I couldn't put it off any longer.
我昨晚给我的叔叔写了信.我不能再推迟寄信了。
I meant to tell you yesterday, but you were not in your office.
我原想昨天告诉你的，但你没在办公室。