雖然在中文都是對講機，但是在英文裡大樓用的對講機跟無線電對講機 通常用不同的單字。 Pic CC-BY-NC 2.0 by nicolasnova 大樓對講機 (其實也不一定是大樓對講機，例如捷運上緊急跟駕駛艙通話的對講機，官方也是用intercom這個字) intercom interphone talkback doorphone 解說 An intercom (intercommunication device), talkback or doorphone is a stand-alone voice communications system for use within a building or small collection of buildings, functioning independently of the public telephone network. ( wikipedia ) a set of communications devices that allows people in different parts of a building, aircraft, ship, etc., to speak to each other. ( cambridge dictionary ) Pic CC-BY-NC 2.0 by T Gibbison 無線電對講機 handheld transceiver （handheld=手持, transceiver=收發器） walkie talkie two-way radio 解說 A walkie-talkie (more formally known as a handheld transceiver) is a hand-held, portable, two-way radio transceiver. Its development during the Second World War has been variously credited to Donald L. Hings, radio engineer Alfred J. Gross, and engineering...
