Tcvs
abbr. Thrust Chamber Valve Switch （火箭发动机）推力室阀门开关
🗣️ 情景例句
She tore up all the letters he had sent her.
她把他写来的信全撕了。
A word spoken is an arrow let fly.
一言既出，驷马难追。
Fine.we're saving a lot of money with it.
不错，节省了不少的钱，