read detector

例句：

1. 1. The new reading detector can quickly identify the location of hidden items.
   这款新型阅读探测器能迅速识别隐藏物品的位置。
2. 2.The detective used the reader to track down the criminal.
   侦探利用阅读器追踪到了罪犯。
3. 3.The scientist designed a detector that could detect radiation in the air.
   科学家设计了一种可以检测空气中辐射的探测器。