Ffes
abbr. Foam Fire Extinguishing System 泡沫灭火系统
🗣️ 情景例句
There are four of us including my parents, a younger sister and me.
有四口人，父母亲、妹妹和我。
A bird is known by its note,and a man by his talk.
鸟以声闻，人以言知。
What kind of quality control do you have?
你们用什么办法来控制质量呢？