Naphthophenanthrene
二苯并蒽
🗣️ 情景例句
Mrs. Martinelli.
Martinelli太太。
Cut short the nonsense and return to one's muttons.
闲话少说，言归正传。
still persists, however; and it is as fierce as it ever was.
依然在进行着，而且和以前一样激烈。