Polyfluorocarbon
[化] 多氟烃; 多氟代烃
🗣️ 情景例句
It's just incredible!
简直是难以置信！
Industry is fortune's right hand, and frugality her left.
勤勉是幸运的右手，节约是幸运的左手。
Would you care to answer my question on the warranty?
你可以回答我有关保证的问题吗？