a system of communication by phone or radio inside an office, plane, etc.; the device you press or switch on to start using this system 内部通话系统(或设备) - over the intercom
to announce something over the intercom 通过内部通话系统宣布 They called him on the intercom. 他们用内部通话系统呼叫他。 Mr Jack’s arrival was announced over the intercom. 杰克先生的到来通过内部通话设备宣布了出去。
Oxford Collocations Dictionaryintercom + verb- buzz
- crackle
- sound
- …
- system
- button
- on the intercom
- over the intercom
Word OriginSecond World War: abbreviation of intercommunication.- over the intercom