detector with rolling grating

例句：

1. 1.The new car has a sophisticated detector system for detecting road hazards.
   这款新车配备了先进的检测系统，用于检测道路危险。
2. 2. The scientist used a detector to find traces of the missing substance.
   科学家使用探测器找到了失踪物质的踪迹。
3. 3.The police detective was able to use his detector to locate the suspect's phone.
   警方侦探能够利用他的探测器定位到嫌疑人的手机位置。