Sfr
abbr. schweizerfranc(s) （丹麦-挪威语）瑞士法郎; star-formation rate 星型结构率; single frequency receiver 单频率接收器; sinking fund rate (of return) 船舶沉没基金率（返回）
🗣️ 情景例句
I knew it!
我就知道！
Be my guest.
别客气。
She was sentimentally attached to this house,
她对这幢房子在感情上难舍难分。