Polyfluorocarbon
[化] 多氟烃; 多氟代烃
🗣️ 情景例句
If you need anything, just ask.
假如你需要什么尽管讲。
To live in the hearts of those left behind is not to die.
活在后人心，虽死而犹生。
Let me take you in my arms and say goodbye.
让我拥抱你一下，说声再见吧。