- a piece of equipment that 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
- (in science fiction) a weapon that uses a powerful laser激光条码扫描仪；激光测速仪
- The character wears a silver spacesuit and carries a futuristic laser gun.角色身穿银色太空服，并携带未来派激光枪。