detect idle time

例句：

1. 1.The detective was able to solve the case by analyzing the evidence.
   侦探通过分析证据解决了案件。
2. 2. The scientist detected a chemical reaction in the experiment.
   科学家在实验中发现了化学反应。
3. 3. The artist detected the beauty of nature through her paintings.
   艺术家通过她的画作发现了大自然的美。