Bcsm
abbr. basic call state model 基本呼叫状态模型
🗣️ 情景例句
And I'd also like to thank my math teacher
我还要感谢我的数学老师
A lazy youth, a lousy age.
少壮不努力，老大徒伤悲。
Give me that hammer please, Dan.
请把那把锤子拿给我。丹。