A piece of glass or other transparent substance, with one or two curved surfaces, used for changing the direction of rays of light on a screen.

透镜(一片透明物质，具有单或双曲面以变更光线的方向)。

Combination of such pieces, used in cameras and optical instruments.

一组透镜(用于照像机或光学仪器)。

Specif., such a body in the eyes of animals with well-developed vision, the purpose of which is to bring the rays of light to a focus on the retina.

【解】(眼球的)水晶体(=crystalline lens)。

Same as lense.

亦可作 lense。