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
My mother and father
我父母
How's your uncle?
你的叔叔好吗？
The answer is English.
答案是英语。