名词
中文翻译：投影光束
同义词：
['projected beam', 'projectable beam']
例句：
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1.The projector is designed to project a beam of light onto the screen.
这款投影机设计用来将光束投射到屏幕上。
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2. The beam of light illuminates the room beautifully.
这束光线照亮了房间，非常美丽。
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3.The beam of light was so bright that it could be seen from a distance.
那束光线如此明亮，以至于可以从远处看到。