动词
中文翻译：Unknown
同义词：
['darken', 'darken', 'darken']
例句：
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1. The sun melanized the sky as it set.
太阳落山时，天空变得暗淡。
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2. The paint on her walls had melanized over time.
她墙上的油漆随着时间的推移而变暗了。
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3. The old painting had been melanized by years of exposure to sunlight.
这幅旧画被阳光暴露多年后颜色变暗了。