名词
中文翻译：光束
同义词：
['ray', 'light beam例句：1. The scientist used a baotou beam to illuminate the dark room.（科学家使用一束光束来照亮黑暗的房间。）2. The beam of sunlight filtered through the window and illuminated the room.（阳光的光束透过窗户照射进房间。）']
例句：
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1. The scientist used a baotou beam to illuminate the dark room.
科学家使用一束光束来照亮黑暗的房间。
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2. The beam of sunlight filtered through the window and illuminated the room.
阳光的光束透过窗户照射进房间。
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3.The beam of the flashlight was so bright that it could be seen from a distance.
手电筒的光束非常亮，可以从远处看到。