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
Sure.
好的。
Do you have your driver's license?
你有驾驶执照吗？
What a coincidence!
真是太巧了。