Fcv
abbr. fill-and-check valve 注入与检查阀门
🗣️ 情景例句
There's a time for everything.
事情要一件一件地做。
Well, goodbye. See you soon.
那么，再见。后会有期。
Boys' relay: The winners -- Class 3! (Hooray!) Well done!
男子接力赛：获胜者--3班！（好！）干得好！