Stiburea
脲, 锑尿素
🗣️ 情景例句
What classes are mandatory for your major?
你的专业什么课是必修的？
Let every man speak well of the bridge theat carries him over.
饮水思源。
I smoked with concentration and pleasure as I was sure that this would be my last cigarette.
我聚精会神而又愉快地吸着这枝烟。因为我确信这是我最后一枝烟了。