Phenoxazine
吩嗪
🗣️ 情景例句
Forgive me if I'm wrong, but haven't we met before.
如果我弄错的话请原谅我，我们以前见过面吧？
He came to give us a talk yesterday.
他昨天给我们作了一次演讲。
It has helped me to serve others.
这份礼物帮助我为他人服务。