n.[C]

1. 透镜；镜片
   Have your glasses got plastic lenses?

   你的眼镜是用塑胶镜片的吗？

2. （照相机等的）镜头
3. （眼球的）晶体

vt.

1. 给……摄影（尤指摄制影片）

n.

1. a piece of glass or other transparent material with one or both sides curved for concentrating or dispersing light rays.
   ▸Anatomy  the transparent elastic structure behind the iris by which light is focused on to the retina of the eye.
   ▸short for contact lens.
2. the light-gathering device of a camera, containing a group of compound lenses.
3. Physics  an object or device which focuses or otherwise modifies a beam of radiation, sound, electrons, etc.