Perfluoro-
[化] 全氟; 全氟代
🗣️ 情景例句
And tomorrow morning we'll all meet here to discuss the plan?
是不是明天早晨我们都聚到这里来讨论整修计划
I'll be back in 5 days.
我五天之后回来。
That one is only 90 fen. That's cheap.
那支笔只有九毛钱，很便宜。