Rff
abbr. remote fiber fluorimetry 远距离光纤荧光测定法
🗣️ 情景例句
I think it can be done.
我认为这件事情办得成。
My brother used to speak French to me all the time.
我的兄弟过去总是对我说法语。
I'm doing great.
我过得很好。