名词
中文翻译：激光
同义词：
['light beam', 'light source']
例句：
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1. The laser scanner is used to create 3D models of objects.
激光扫描仪用于创建物体的三维模型。
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2. The laser beam was so bright that it could be seen from a distance.
激光束非常明亮，可以从远处看到。
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3. The laser beam was directed at the target and fired.
激光束被指向目标并发射出去。