Perfluorination
[化] 全氟化; 全氟化作用
🗣️ 情景例句
Are you all right?
你怎么了？
Who is this ,please?
请问你是哪一位？
The plane wasn't too badly damaged, but over the years, the crash was forgotten and the wreck remained undisturbed.
飞机损坏的程度并不严重，但是，多年来这起飞机失事已被遗忘，飞机残骸也没受到破坏。