Ffes
abbr. Foam Fire Extinguishing System 泡沫灭火系统
🗣️ 情景例句
I haven't got anything to do now; I'm so bored.
我现在无事可做，感觉很无聊。
Affairs that are done by due degrees are soon ended.
事情要安步就班地做，就会很快地做完。
Yes. Let me introduce him to you.
是的，让我把他给你们介绍一下。