名词
中文翻译：激光
同义词：
['light beam', 'beam of light']
例句：
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1. The laser is used to cut through metal.
激光用于切割金属。
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2. The laser scanner can detect the location of objects in a room.
激光扫描仪可以检测房间内物体的位置。
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3. The laser printer produces high-quality documents quickly.
激光打印机可以快速生产高质量的文档。