Violanthrole
二苯并羥蒽
??? 情景例句
That's the deal.
這是交換條件。
It's nothing to get upset about.
沒什么，用不著煩惱。
We'll get used to that, Bill,' said the vicar.
“大家慢慢就習(xí)慣了，比爾，”牧師說。