Tcvs
abbr. Thrust Chamber Valve Switch （火箭发动机）推力室阀门开关
🗣️ 情景例句
Hello, it's a pleasure to meet you.
你好， 很高兴见到你。
Let me give you a little fatherly advice.
让我给你一些父亲般的劝告。
Neither of us spoke during the journey.
旅途中我们谁也没讲话。