Perfluorochemical
[机] 全氟化化合物
🗣️ 情景例句
They know that I'm married and that I have a family.
他们知道我结婚了， 有一个家。
One cannot eat one's cake and have it.
事难两全其美。
Let's go for a walk，shall we?
咱们出去走走，好吗？