Perfluorination
[化] 全氟化; 全氟化作用
??? 情景例句
Feel free to look around.
請隨意到處看看。
Would you please hold the door open for me?
請您為我打開門？
Another one? They're delicious -- but no, thank you very much.
再吃一塊？味道是很好，但我不要了，非常感謝。