radio set
收音机
例句与用法：
A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals.
无线方向探测器一种无线电接收和指向天线系统，用来确定收到的无线电信号的角方向
A device that converts electric signals, as from a telephone, stereo, or radio receiver, to audible sound and fits over or in the ear.
耳机一种传递电子信号的设备，比如从电话、立体声或广播接收器上传出可听的声音。这种设备嵌到耳朵上或耳朵里