英语词汇“laser”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

noun

a source of high-intensity optical, infrared, or ultraviolet radiation produced as a result of stimulated emission maintained within a solid, liquid, or gaseous medium. The photons involved in the emission process all have the same energy and phase so that the laser beam is monochromatic and coherent, allowing it to be brought to a fine focus

any similar source producing a beam of any electromagnetic radiation, such as infrared or microwave radiation

verb (transitive)

to use a laser on (something), esp as part of medical treatment

4. (often foll by off)

to remove (a tattoo, fat, etc) with laser treatment

单词	laser
释义	Word Frequency laser (ˈleɪzə) noun 1. a source of high-intensity optical, infrared, or ultraviolet radiation produced as a result of stimulated emission maintained within a solid, liquid, or gaseous medium. The photons involved in the emission process all have the same energy and phase so that the laser beam is monochromatic and coherent, allowing it to be brought to a fine focus 2. any similar source producing a beam of any electromagnetic radiation, such as infrared or microwave radiation verb (transitive) 3. to use a laser on (something), esp as part of medical treatment 4. (often foll by off) to remove (a tattoo, fat, etc) with laser treatment See also maser Word origin C20: from light amplification by stimulated emission of radiation Word Frequency Laser (ˈleɪzə) noun trademark a type of dinghy, designed to be sailed by one person
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laser

Laser