Fsf
abbr. forward space file 早期的空间文件
🗣️ 情景例句
Did you look at them?
你看过了吗？
They only want to solve domestic problems.
他们只希望解决国内的问题。
Oh dear! It's very warm in this clasroom, isn't?
天哪，这屋里真暖和，不是吗？