Pfcs
abbr. 全氟化碳；全氟代烃类
🗣️ 情景例句
We're just having some cola
我们只是先喝点可乐
I couldn't believe my ears.
我真的不敢相信。
There are many things to be learnt when you start working.
开始工作时，你有许多东西要学。