Smf
abbr. 系统管理程式（system management facilities）
🗣️ 情景例句
I'm afraid not. We don't generally accept a letter of credit.
恐怕不行，我们一般不采用信用卡。
The daily rate is $32.00 plus 39 cent per mile.
日租金32美元，每英里外加3角9分。
it would be more like that of a bluebottle buzzing round the room;
那就像一只嗡嗡叫的绿头苍蝇在屋内飞行的轨迹，