Polyfluorocarbon
[化] 多氟烃; 多氟代烃
🗣️ 情景例句
we would like to have our investments returned as early and safely as possible.
我们总想尽早而又安全地收回我们的投资。
Love at first sight.
一见倾心。
There is no quicker method of disposing of patients than by giving them what they are asking for,
病人要什么就给什么，没有比这样处理病人更快的方法了。