名词
中文翻译：光小时
同义词：
['luminous hour', 'luminal hour例句：1. The solar system has a total of approximately 240 lumen-hours of sunlight.（太阳系总共约有240个光小时的阳光。）2. During the day', 'they spent about 30 lumen-hours in the lab.（在白天，他们在实验室里度过了大约30个小时。）3. The project aims to reduce energy consumption by 50% within the next five lumen-hours.（该项目的目标是在未来五小时内减少50%的能源消耗。）']
例句：
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1. The solar system has a total of approximately 240 lumen-hours of sunlight.
太阳系总共约有240个光小时的阳光。
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2. During the day, they spent about 30 lumen-hours in the lab.
在白天，他们在实验室里度过了大约30个小时。
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3. The project aims to reduce energy consumption by 50% within the next five lumen-hours.
该项目的目标是在未来五小时内减少50%的能源消耗。