a transducer used to detect and measure light and other radiations
例句
用作名词 (n.)
This instrument can measure sexual excitement by simultaneously registering blood engorgement by registering color and muscle tone by registering electric muscle impulses. 当把该仪器插入阴道时，通过光电池发光所显示的阴道壁的颜色，可以测量阴道壁的充血程度。
This camera is equipped with a magic eye. 这架相机装有一只电眼。
美
