speakerphone /ˈspiːkəˌfəʊn/

• 1. 

  N-VAR A speakerphone is a telephone that has a microphone and a loudspeaker, allowing you to talk to someone without putting the phone to your ear, as well as allowing other people to hear the person you are talking to. 免提电话

  例：

  ...a 10-channel cordless speakerphone with 13-number memory.

  …一台可存储13位电话号码的10频道无绳免提电话。

  例：

  She put me on speakerphone and he heard me talking.

  她让我来到免提电话前，因此他听到了我的讲话。