laser
noun [ C ] uk/ˈleɪ.zər/ us/ˈleɪ.zɚ/
B2 激光（器）
(a device that produces) a powerful, narrow beam of light that can be used as a tool to cut metal, to perform medical operations, or to create patterns of light for entertainment
laser beam 激光束
laser surgery 激光手术
- More examples
- The tube that carries the laser is introduced into the abdomen through a small cut in the skin.
- The laser beam heals the eye painlessly.
- The laser guidance system dramatically increases the likelihood that the missile will strike home.
- During surgery, doctors sometimes use a laser beam to vaporize tiny blood vessels.
- There was a laser show by the harbour.