Fluorocarbon
[建] 碳氟化合物
🗣️ 情景例句
Is there a convertible model available?
这里有敞篷车吗？
He who does not rise early never does a good day's work.
起身不早，一天的工作难做好。
Oh, wise young judge!
噢，聪明年轻的法官啊！