Bcsm
abbr. basic call state model 基本呼叫状态模型
🗣️ 情景例句
We've known each other since we were children.
我们从小就认识。
Will it be convenient for you to explain your plans to him?
你向他解释计划将是方便的吗？
Yes, speaking. Just a moment. Let me turn the music down. There, that's better.
是的，我就是。请稍等。让我把音量关小一点。你瞧，好多啦。