名词
中文翻译:Unknown
同义词:
['useful light', 'beneficial beam例句:1. The useful beam from the sun illuminated the room.(阳光的有用光束照亮了房间。)2. The scientist used a useful beam of light to study the stars.(科学家使用一束有用的光束来研究星星。)']
例句:
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1. The useful beam from the sun illuminated the room.
阳光的有用光束照亮了房间。
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2. The scientist used a useful beam of light to study the stars.
科学家使用一束有用的光束来研究星星。
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3.The beam of light from the torch illuminated the path ahead.
手电筒发出的光束照亮了前方的路。