Perfluorochemical
[机] 全氟化化合物
🗣️ 情景例句
That's a practicable course of action.
那是一个切合实际的行动方案。
I would like to develop this film.
我要晒印这底片。
but I do not turn for protection to dreary cliches about respect of elders -- as if mere age were a reason for respect.
但我不会用应当尊重长者这一套陈词滥调来为我自己辨护，似乎年长就是受人尊敬的理由。