名词
中文翻译：激光指示器
同义词：
['laser pointer', 'laser meter']
例句：
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1.The laser beacon was used to guide the drone through the fog.
激光指示器被用来引导无人机穿过雾。
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2. The engineer used a laser beam to measure the distance between the two points.
工程师用激光束测量两点之间的距离。
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3. The laser beacon is a useful tool for measuring distances and angles in outdoor activities.
激光指示器是户外活动中测量距离和角度的有用工具。