Naphthophenanthrene
二苯并蒽
🗣️ 情景例句
I suppose you want to borrow money from me again?
我想你又要找我借钱了吧？
You're always mixing me up with my twin sister!
你老是把我和我的孪生姐姐搞混!
I think I shall read a book instead.
我想我还是读本书吧。