Pfcs
abbr. 全氟化碳；全氟代烃类
🗣️ 情景例句
I am looking forward to seeing you.
我正盼望能见到你
Jeff was not pleased with his school grades.
杰夫不满意自己在学校的成绩。
Look!There's an ice cream man.
瞧！有个卖冰淇淋的。