Phenylchinaldin
[医] 苯[基]奎钠丁, 2-甲基-4-苯代喹啉
🗣️ 情景例句
Friends, teachers....
朋友 老师……
I hope my visit does not cause you too much trouble.
我希望这次来参观没有给你们增添太多的麻烦。
but the paper was wrapped round a drum which rotated slowly.
根但是纸是卷在慢慢旋转的圆筒上的。