单词 | laser |
释义 | laser laser /ˈleɪ.zər/ aep /-zɚ/ noun [C] ► B2 (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» laser surgeryThesaurus+: ↑Optics, microscopy and lasers , ↑Eyesight, glasses and lenses • • • Extra 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. |
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