Pfas
abbr. personal fall arrest system 防坠落系统; [医][=performic acid-Schiff reaction]过氧甲酸-席夫反应
🗣️ 情景例句
But I've never had the pleasure of doing any business with you.
可是同贵公司尚无业务往来。
Beautiful!
漂亮！
Mei Ge, did you find out the price for the IBM PC 386?
梅格，你查到了IBM386微机的价格了吗？