Silvadene
[化] 磺胺嘧啶银
🗣️ 情景例句
There are thirty-three thousand three hundred and thirty-three feathers on that bird's throat.
那只画眉鸟的喉咙上有三万三千三百三十片羽毛。
There is no fire without smoke.
无火没有烟。
He has always been a good neighbour.
他一直是个好邻居。