Polyfluorocarbon
[化] 多氟烃; 多氟代烃
🗣️ 情景例句
But to tell the truth,
但是老实说，
It's only a suggestion,and you can do what you please.
它仅仅是一个建议，你能做你喜欢的东西。
Yes, there are.
是的，有。