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
They've stood by me through all this.
他们一直支持我做这件事。
He is very nervous, so he takes a lot of pills.
他非常的神经质，所以要服很多药
I got up early and bought thirty-seven cards.
我早早起了床，买来了37张明信片。