sensor

漢語翻譯

英文解釋：

名詞 sensor:

1. any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
   同義詞：detector, sensing element

例句：

1. Smoke sensors warned us of the fire.
   煙霧探測器已向我們發出火警警報。