Fluobenzene
氟(代)苯
🗣️ 情景例句
Can what?
能做什么？
A clear conscience is a sure card.
光明磊落，胜券在握。
The children were leaving school on Tuesday when they saw a truck.
星期二，孩子们正放学回家，这时，他们看见一辆卡车。