| 单词 | laser |
| 释义 | laserBrE /ˈleɪzə(r)/ NAmE /ˈleɪzər/ noun 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。 |
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