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TOEFL IELTS BNC: 4841 COCA: 3896
laser
noun [C] physics /ˈleɪzə(r)/
singularlaser
plurallasers
  1. [usually before noun] a piece of equipment that produces a powerful narrow line of light. It is used for cutting hard substances, directing the paths of missiles, and in medical operations 激光(器)

    The cancer cells are destroyed by a tiny laser. 癌细胞被一个微型激光器杀死了。

    New laser eye surgery can correct your vision. 新式的激光视力矫正手术可矫正你的视力。

    laser beam :

    Computer technology and laser beams can be used to control the weather. 电脑技术和激光束可用来控制天气。

    laser display (=patterns of coloured lights) 激光演示 :

    The crowd enjoyed the fireworks and the laser display. 观众们高兴地观看着烟花和彩色的激光图案。

     Synonyms and related words
    Medical equipment: catheter, defibrillator, drain...

derived word

laser

adjective
 Synonyms and related words
TOEFL IELTS BNC: 4841 COCA: 3896
laser

noun

ADJECTIVE | VERB + LASER | LASER + NOUN ADJECTIVEpowerful強激光infrared紅外激光VERB + LASERuse使用激光aim, fire, shoot用激光瞄準;發射激光;射出激光LASER + NOUNbeam, blast, light, ray激光束;激光衝擊波;激光;激光射線printer, scanner激光打印機/掃描儀gun激光槍pointer激光指示器surgery, therapy, treatment激光手術;激光治療
TOEFL IELTS BNC: 4841 COCA: 3896

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