| 单词 | laser gun | 
| 释义 | laser gunBrE /ˈleɪzə ɡʌn/ NAmE /ˈleɪzər ɡʌn/ noun a piece of equipment which uses a laser to read a barcode or to find out how fast a vehicle or other object is moving 激光条码扫描仪;激光测速仪 | 
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