lens

An object, usually made of glass, that focuses or defocuses the light that passes through it.

透镜

镜片

镜头

A device which focuses or defocuses other waves or radiation, such as microwave radiation, electron beams, sound waves (acoustic lenses), or explosions (explosive lenses).

A convex shape bounded by two circular arcs, joined at their endpoints, the corresponding concave shape being a lune.

The transparent crystalline structure in the eye.

晶状体

水晶体

A body of rock, ice, or water shaped like a convex lens.

A convex layer of fresh groundwater that floats above the denser saltwater, usually found on small coral or limestone islands and atolls.

A construct used in statically-typed functional programming languages to access nested data structures.

A way of looking, literally or figuratively, at something.

To film, shoot.

To become thinner towards the edges.