Cfs
abbr. 立方尺/秒（cubic feet per second）
🗣️ 情景例句
Is that all right with everyone?
各位有意见吗？
There must be someone behind the door.
门后必然有人在。
We always enjoy ourselves, Mum.Bye-bye.
我们总是玩得很开心的，妈妈。再见。