an electronic system in a public place, for example a theatre, that sends a signal to people who wea

中文解释

（剧院等为有听觉障碍的人士准备的）感应环路助听系统 The theatre is equipped with an induction loop for the hard of hearing. 剧场为有听觉障碍的人士准备了感应环路助听系统。