0 (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 -- 雷射（器）
The tube that carries the laser is introduced into the abdomen through a small cut in the skin.
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.
The optimal position of the focal spot was found to be at the distance of 6 mm before the laser-produced plume.
On the interaction of femtosecond laser pulses with cluster targets.
After the recording and the developing, the hologram was returned to the second holder and moved into the laser beam line.
