n. 透镜,镜头;眼睛中的水晶体;晶状体;隐形眼镜;汽车的灯玻璃
vt. 给……摄影
lens 透镜,镜片
来自拉丁文lens,豆荚,词源同lentil.因镜片如同两面凸出的豆荚而得名。
In the vernacular of the photographer, anyone crowding to the front of a group, staring into the lens, or otherwise attracting attention to himself is known as a "lens louse." ["American Photography," vol. 40, 1946; the term dates from 1915]