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
On a studect visa, full-time work is not permitted.
持学生签证的话，不允许做全职工作。
He is planning his future already.
他已经在为将来做打算了。
That's fantastic!
那真是棒极了！