Polyfluorohydrocarbon
[化] 多氟烃; 多氟代烃
🗣️ 情景例句
OK. You go out and get a drink of water at the fountain.
好。你出去在饮水机那儿喝点水吧。
You can have no more of the fox than the skin.
狐狸除了皮，旁的全无用。
I was almost there when a sarcastic voice below said,
当我几乎到了窗口，这时下面一个讽刺的声音说，