动词
中文翻译：未被照亮的
同义词：
['unlit', 'unilluminated', 'unlighted']
例句：
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1. The underlustred area was not visible from the street.
那个未被照亮的区域从街道上看不到。
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2. The underlustred room was dark and gloomy.
这个未被照明的房间阴暗而阴沉。
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3. The underlustred books were difficult to read in the dim light.
在昏暗的光线下，这些未被照明的书籍难以阅读。