名词
中文翻译：激光笔同义词
同义词：
['laser pen', 'laser pointer']
例句：
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1. The teacher uses a laser pen to illustrate the math problem.
老师使用激光笔来讲解数学问题。
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2. The kids were fascinated by the laser pen's bright lights.
孩子们对激光笔的明亮灯光很着迷。
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3. The laser pen is a useful tool for teaching children about geometry.
激光笔是教授儿童几何学的一个有用的工具。