sensor/ˈsensə(r); `sɛnsɚ/ ndevice (eg a photoelectric cell) that detects light, heat, humidity, etc 探测光、 热、 湿度等的装置（如光电池） Smoke sensors warned us of the fire. 烟雾探测器已向我们发出火警警报.
牛津英汉双解词典