光線
Meanings
1
Refers to a narrow stream of light, such as sunlight, laser, or stage lighting. Often used in scientific and everyday contexts.
Rays of light streamed through a break in the clouds.
Measure the distance using a laser beam.
Usage patterns
- 〈物〉に光線が当たるfor a ray of light to hit/fall on something
The ray of light hit the wall and reflected in rainbow colors.
- 光線を放つto emit a ray/beam of light
The device emits a powerful beam of light.
- 光線を反射するto reflect a ray of light
The mirror is reflecting the sun's rays.
Expressions
- 光線を遮るintercept light; block light