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
The reporters and cameramen swarmed around the accident like bees around a honey pot.
为了报道这件事情，记者和摄像师蜂拥而至。
A good name is earlier lost than won.
失去美名易，得到美名难。
Oh! She's falling off her bike. I hope she didn't hurt herself.
噢！她正从自己的自行车上跌落下来。我希望她没有摔伤。