intercom
noun [ C ] uk/ˈɪn.tə.kɒm/ us/ˈɪn.t̬ɚ.kɑːm/
内部通话设备
a device that people speak into when they want to communicate with someone who is inside a building, in a different room, in part of a plane, etc.
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。