intercom

1. N-COUNT An intercom is a small box with a microphone that is connected to a loudspeaker in another room. You use it to talk to the people in the other room. 對講機(jī)

I pushed a button on my intercom and told Viktor Ilyushin that I needed to see him. 我按了一下對講機(jī)上的一個按鍵，告訴維克多·伊留申我要見他。