Fluorocarbon
[建] 碳氟化合物
🗣️ 情景例句
We have to talk the matter over now.
我们必须讨论一下这件事。
He most lives who lives most for others.
活著对别人贡献最多的人，活得最有意义。
Gesticulating wildly, the man acted as if he found my offer outrageous, but he eventually reduced the price to $10.
那人激动地打着手势，仿佛我的出价使他不能容忍。但他终于把价钱降到了10英镑。