Saff
abbr. South African Frontier Force 南非边境部队; store and forward facsimile 存储与转发传真（通信）; super abrasion fine furnace black 超耐磨细炉黑; [计]= Store And Forward Facsimile,存储并转发传真
🗣️ 情景例句
We must prepare ourselves to have a hard time.
我们必须准备过艰苦的日子。
It took me an hour to walk there.
走到那里花了我一小时。
There is only one difference between an old man and a young one:
老年人和年轻人之间仅仅有一个不同：