Polyfluorohydrocarbon
[化] 多氟烃; 多氟代烃
🗣️ 情景例句
What is your regular practice concerning the terms of payment?
你们一般采用什么付款方式？
Thanks for the advice,but this is something I have to figure out myself.
谢谢忠告，但是这必须由我自己解决。
Thank you very much.
非常感谢。