noun 下载 🔗分享 扬声器,喇叭 An electromechanical transducer that converts an electrical signal into audible sound. Examples : "The principal used the loudspeakers to announce a school closure due to the snowstorm. " 校长用喇叭宣布了因暴风雪而停课的消息。 electronics sound technology communication device signal machine music entertainment 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 扬声器,喇叭。 An encasing containing one or more loudspeaker devices and usually other electrical equipment such as a driver. Examples : "The principal used the loudspeakers in the auditorium to announce the school's closure due to the snowstorm. " 校长用礼堂里的扬声器宣布因暴风雪学校停课。 sound electronics technology device music communication machine 与AI对话词汇游戏阅读练习