Df
[计] 数据区, 目的区, 设备标志, 磁盘文件, 倍频
🗣️ 情景例句
In fact, I love what I do ...
事实上 我热爱我的工作……
Do not count your chickens before they are hatched.
鸡蛋还未孵，先别数鸡雏；莫过早乐观。
It seems she was in class on Friday afternoon, but no one has seen her since.
好象她星期五还在教室，但从那以后没人看见过她。