Cbas
abbr. Central [Common] Battery Alarm Signalling 共电式报警信号设备
🗣️ 情景例句
I really had a great evening.
我真是过了一个绝妙的晚上。
Did you hear something?
你听到了什么？
First of all, don't come in here without a teacher.
首先，没有老师领着不要进这儿。