voice rotating beacon

例句：

1. 1. The voicerotating beacon is used tocommunicate with ships in the harbor.
   语音旋转灯塔用于与港口中的船只进行通信。
2. 2. Thevoice rotating beacon was installedat the entrance of the tunnel to guidevehicles safely through.
   在隧道入口处安装了语音旋转灯塔，以安全引导车辆通过。
3. 3. Thevoice rotating beacon is anessential tool for navigation, providing direction andsafety for mariners.
   语音旋转灯塔是导航的重要工具，为航海家提供方向和安全保障。