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 work out at the gym everyday.
我每天都在体育馆进行锻炼。
Happy is he that is happy in childhood.
童年时代快乐的人是幸福的。
Both men had hardly had time to realize what was happening when they were thrown violently into the sea.