名词
中文翻译：光束失真
同义词：
['misalignment', 'skewness']
例句：
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1.The beam of light from the flashlight was too weak to illuminate the room.
手电筒的光太弱，无法照亮房间。
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2.The beam of sunlight fell on the grass, casting shadows that danced across the field.
阳光的光束落在草地上，在田野上投下了舞动的影子。
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3. The beam of a telescope is directed towards the object it's aimed at.
望远镜的光束指向它所瞄准的对象。