Dnq
abbr. diazonaphthoquinone 重氮萘醌
🗣️ 情景例句
What did you do?
那你怎么办呢？
When three know it, all know it.
三人知，天下晓。
Yes, that's a good idea. But I have another difficulty. My written English isn't very good either.
是的，这主意不错。但我还有另外一个难题。我的书面英语也不好。