名词
中文翻译：梁
同义词：
['bar', 'beam', 'rib']
例句：
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1. The beam of the light is shining through the window.
光线通过窗户照射进来。
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2. The beam of light was so bright that it could be seen from a distance.
光线非常明亮，可以远距离看到。
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3. The beam of the spotlight fell on the stage.
聚光灯的光束落在舞台上。