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
It's nice to see you again.
再次见到你，真是太好了。
Never show the bottom of your purse or your mind.
钱包不露底，思想需保留。
Editors of newspapers and magazines often go to extremes to provide their reader with unimportant facts and statistics.
报刊杂志的编辑常常为了向读者提供成立一些关紧要的事实和统计数字而走向极端。