Pfcs
abbr. 全氟化碳；全氟代烃类
🗣️ 情景例句
I would like to make an appointment for tomorrow morning please.
我想预约明天早上见面。
It is too late to shut the stalbe door when the steed is stolen.
失马锁厩，为时已晚；贼去关门，为时已迟。
Why don't you do the experiment? I'm sure you would do it really well.
你干吗不做这个实验呢？我相信你一定会干的很棒的。