Cbas
abbr. Central [Common] Battery Alarm Signalling 共电式报警信号设备
🗣️ 情景例句
Nowadays many TV programs need parental guidance.
现在许多电视节目需要在家长指导下观看。
Sorry kept you waiting so long. You are on .
抱歉让你久等了，接通了。
Are you free later today, Mr. Green?
您今天晚些时候有空吗，格林先生？