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.
激光被用来切割金属。
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2. The laser printer can print high-quality documents quickly.
激光打印机可以快速打印高质量的文件。
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3. The laser beam was so bright that it blinded the pilot.
激光束如此明亮以至于飞行员失明。