Pfcs
abbr. 全氟化碳；全氟代烃类
🗣️ 情景例句
Robots can be used for many tasks which are considered too dangerous for people to do.
机器人能完成许多对人类来说是很危险的任务。
Oh no! It's starting to rain.
哦，糟了！开始下雨了！
I think so. What time?
我想可以。什么时间来呢？