Pfcs
abbr. 全氟化碳；全氟代烃类
🗣️ 情景例句
You sounded like you've made a decision
你好像已经作了决定
I know the boy whose father is a pilot.
我知道那个男孩的父亲是飞行员。
For a time it assumes a miraculous individuality that,
一度它获得非凡的个性，