名词
中文翻译：光
同义词：
['brightness', 'illumination']
例句：
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1. The sun provides us with the lumen of life.
太阳给我们带来了生命的光辉。
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2. The room was bathed in a warm glow from the lumen of the streetlights.
房间被街灯的光线温暖地照亮了。
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3. The scientist used his lumen to illuminate the dark lab.
科学家用他的光来照亮黑暗的实验室。