intercom
n
system of communicationby means of microphones and loudspeakers, as used on an aircraft, in a large building (eg a factory), etc 内部通话系统或设备(用话筒及扩音器在飞行器、 工厂等大建筑物内进行通话的
make an announcement on/over the intercom 用内部通话设备宣布
[attrib 作定语]
an intercom system 内部通话设备.
🗣️ 情景例句
I've been meaning to ask you
我一直想问
When the clock strikes twelve at midnight.
当午夜十二点的钟声敲响时。
'Your sister will be here in less than an hour and we must be at the station to meet her.