Ffes
abbr. Foam Fire Extinguishing System 泡沫灭火系统
🗣️ 情景例句
What do you want to study?
你想学什么？
I'll be ready in a few minutes.
再过几分钟就好了。
The old view of Galileo was delightfully uncomplicated.
令人高兴的是，过去对伽利略的看法并不复杂。