laser
noun /ˈleɪzə(r)/
/ˈleɪzər/
- 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/疗法
Collocations Dictionaryadjective- powerful
- infrared
- use
- aim
- fire
- …
- beam
- blast
- light
- …
词源1960s: acronym from light amplification by stimulated emission of radiation, on the pattern of maser. - a laser beam