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高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896

laser

noun
/ˈleɪzə(r)/
/ˈleɪzər/
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  1. a device that gives out light in which all the waves oscillate (= change direction and strength) together, typically producing a powerful beam of light that can be used for cutting metal, in medical operations, etc.激光器
    • a laser beam激光束
    • a laser navigation device激光导航装置
    • The barcodes on the products are read by lasers.产品上的条码是用激光读取的。
    • a laser show (= lasers used as entertainment)激光表演
    • She's had laser surgery on her eye.她做了眼部激光手术。
    • laser treatment/therapy激光治疗
    Topics Physics and chemistryc1
    Oxford Collocations Dictionaryadjective
    • powerful
    • infrared
    verb + laser
    • use
    • aim
    • fire
    laser + noun
    • beam
    • blast
    • light
    See full entry
    Word Origin1960s: acronym from light amplification by stimulated emission of radiation, on the pattern of maser.
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
LASERLASERabbr.1.Light Amplification by Stimulated Emission of Radiation 激光器, 受激辐射式光频放大器
LASERLASERabbr.1.Light Amplification by Stimulated Emission of Radiation 激光器, 受激辐射式光频放大器
laserlaserD.J.:[ˈleizə]K.K.:[ˈlezɚ]n.1.激光We keep a laser record.我们保存激光唱片。
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
laser
la·ser / 5lez[ ; 5leIzE /noun C
1. a piece of equipment that produces a powerful narrow beam of light that can be used in medical operations, to cut metals, or to make patterns of light for entertainment激光器:
laser surgery激光(外科)手术
2. a beam of light produced by a laser激光
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896

laser

laser /ˈleɪzɚ/ noun
plural lasers
laser
/ˈleɪzɚ/
noun
plural lasers
Learner's definition of LASER
[count]
: a device that produces a narrow and powerful beam of light that has many special uses in medicine, industry, etc.激光器
often used before another noun常用于另一名词前
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896
高考 CET-4 CET-6 考研 TOEFL IELTS BNC: 4841 COCA: 3896

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