名词
中文翻译：激光
同义词：
['laser', 'laser beam', 'light beam']
例句：
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1. The laser was used to cut through the thick glass.
激光被用来切割厚厚的玻璃。
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2. The laser beam was directed towards the target.
激光束被指向目标。
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3. The laser is a powerful tool for cutting and welding.
激光是一种强大的切割和焊接工具。