resident radioman

例句：

1. 1. The radioman was responsible for monitoring the air traffic control tower.
   无线电员负责监控空中交通管制塔。
2. 2. The radioman had to be on standby at all times, ready to respond to any emergency calls.
   无线电员必须随时待命，随时准备回应任何紧急呼叫。
3. 3.The radioman's job required him to stay in constant contact with the ground control tower.
   无线电员的工作要求他与地面控制塔保持持续联系。