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1. Oxford Dictionary

   laser

   • IPA[ˈleɪzə]

   英式

   • n.
     a device that generates an intense beam of coherent monochromatic light (or other electromagnetic radiation) by stimulated emission of photons from excited atoms or molecules. Lasers are used in drilling and cutting, alignment and guidance, and in surgery; the optical properties are exploited in holography, reading barcodes, and in recording and playing compact discs.
   • v.
     treat or remove (something) using a laser, especially as part of a surgical procedure

   • verb: laser, 3rd person present: lasers, gerund or present participle: lasering, past tense: lasered, past participle: lasered

   • noun: laser, plural noun: lasers

2. • 釋義

   n.

   名詞

   • 1. a device that generates an intense beam of coherent monochromatic light (or other electromagnetic radiation) by stimulated emission of photons from excited atoms or molecules. Lasers are used in drilling and cutting, alignment and guidance, and in surgery; the optical properties are exploited in holography, reading barcodes, and in recording and playing compact discs.

   v.

   動詞

   • 1. treat or remove (something) using a laser, especially as part of a surgical procedure she had her eyes lasered so she could ditch her glasses he has had tattoos lasered off his chest