radio communication guard radio guard

例句：

1. 1. The policeman was assigned to monitor the radio communications during the operation.
   警察被分配在行动期间监控无线电通信。
2. 2. The radio communications guard was responsible for ensuring the safety of the personnel on site.
   无线电通信警卫负责确保现场人员的人身安全。
3. 3. The guard was instructed to stay alert and respond quickly to any emergency situations that may arise.
   警卫被指示保持警惕，对可能出现的任何紧急情况迅速做出反应。