Perfluorochemical
[机] 全氟化化合物
🗣️ 情景例句
My parents will think it's a good idea.
我的父母会觉得这是件好事。
He that knows not how to hold his tongue knows not how to talk.
不知缄口的不善言。
not to mention the equally numerous small animals like field mice and voles which you do not see,
地上有不显眼的无数的老鼠和田鼠之类的小动物，