收音机
1. 无线电接收机：无线电接力通信 radio relay communication | 无线电接收机 radio receiver | 无线电台(站) radio station
2. 无线接电收机：radio pulse 射电脉冲 | radio receiver 无线接电收机 | radio relay system 无线电中继制
3. 受信機：radio range finder == 電波測距儀 | radio receiver == 受信機 | radio relay station == 無線中継所
noun
1. an electronic receiver that detects and demodulates and amplifies transmitted signals