Fluoram
二氟化铵
🗣️ 情景例句
He's a lawyer, in Thessaloniki.
他是Thessaloniki的一名律师。
Don't swap horses when crossing a stream.
行至中流不换马；危难之时不宜作大变动。
It is quite possible that the thief might put some meat in you bag.
这个窃贼很可能把肉放到你的袋子里。