名词
中文翻译：污点
同义词：
['mark', 'stain', 'mar', 'discoloration']
例句：
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1. The paint on the wall has a very faint stain.
墙上的油漆有一道很淡的痕迹。
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2. The stain on his shirt is from a recent accident.
他衬衫上的污渍是近期事故造成的。
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3. The stain on the table was caused by spilled red wine.
桌子上的污渍是由洒出的红酒造成的。