N,n'-diphenyl-p-phenylenediamine
[化] N,N'-二苯基对苯二胺
🗣️ 情景例句
I was quite surprised when I read in your letter that you had decided not to finish your studies at the university.
当我在你的信中看到你已决定终止大学学业时感到很是惊讶。
He that doth most at once doth least.
想一次做完什么事,结果一件也做不完。
Yes. It's bad now.
是的。现在很糟。
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