动词
中文翻译：使变色
同义词：
['decolorize', 'discolor', 'taint例句：1. The paint on thewalls has started to discolor over time.（墙上的油漆开始随着时间的推移而变色。）']
例句：
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1. The paint on thewalls has started to discolor over time.
墙上的油漆开始随着时间的推移而变色。
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2. Theold books have started to discolor withage.
旧书随着时间的流逝开始褪色。
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3.The fabric was discolored by thesunlight.
这件衣物被阳光染色了。