Bcsm
abbr. basic call state model 基本呼叫状态模型
🗣️ 情景例句
What events are happening on campus?
校园里有什么事件发生？
He made a successful career in business.
他的商务生涯十分成功。
Why on earth didn't you tell me the truth?
你到底为什么不跟我说实话？