Tcvs
abbr. Thrust Chamber Valve Switch （火箭发动机）推力室阀门开关
🗣️ 情景例句
There's a park over there. Let's walk in the park for a while.
那边有个公园。我们去散散步吧！
He who never was sick dies the first.
小病不生，一病致命。
How are things going?
事情进展得怎样？