Ssf
abbr. saybolt seconds furol 赛波特弗洛（粘度计）秒数; single-seated fighter 单坐战斗机; standard saybolt furol (viscosity) 标准赛波特糠醛（黏滞性）
🗣️ 情景例句
Mm-hmm. Let's go ...
嗯哼。我们走吧……
I'll see what I can do.
我看一看能怎么办。
I've no idea. What do you think?
我不知道。你想干啥？