Pfcs
abbr. 全氟化碳；全氟代烃类
🗣️ 情景例句
No. You won't believe it, Marilyn!
不会。 简直无法相信， Marilyn。
Let's leave the matter open.
这件事先上、悬着吧。
There were books, clothing and photographs, together with letters which the seaman had once received from his wife.
其中有书箱、衣服、照片以及水手收到的妻子的来信。