柯林斯詞典laser /?le?z?/ (lasers) 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(shù)。 返回 laser劍橋詞典(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 激光（器） laser beam 激光束 laser surgery 激光手術(shù) 例句 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