searchlight and sound locator

例句：

1. 1.The searchlight illuminated the dark nightsky.
   探照灯照亮了黑暗的夜空。
2. 2. The police used a searchlight toguide their way through the fog.
   警方使用探照灯在雾中指引道路。
3. 3.The searchlight revealed the hidden treasure inthe cave.
   探照灯揭示了洞穴中的隐藏宝藏。
4. 1. The sound locatorwas used to locate the lost hikers.
   声定位器被用来寻找失踪的徒步旅行者。
5. 2. The sonar system detectedan underwater object.
   声纳系统探测到了一个水下物体。
6. 3. The sound locatorhelped us find our way back to thecampsite.
   声定位器帮助我们找到了回营地的路。