laser
柯林斯词典
1. N-COUNT A laser is a narrow beam of concentrated light produced by a special machine. It is used for cutting very hard materials, and in many technical fields such as surgery and telecommunications. 激光
...new laser technology. …新的激光技術。
返回 laser
laser /ˈleɪzə/ (lasers)
剑桥词典
- (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
- 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 . 返回 laser
激光（器）
laser beam 激光束
laser surgery 激光手術
例句