Pfcs
abbr. 全氟化碳；全氟代烃类
🗣️ 情景例句
Have you ever been there?
你去过那儿吗？
Quick! Seize that child before she falls down.
快！趁还没掉下去，快抓住那孩子。
You can get what you want.
你能得到你想要的。