名词
中文翻译：铁锈斑迹
同义词：
['rust stain', 'rust spot例句：1. The iron stain on the wall is a clear indication of its age.（墙上的铁锈斑迹清楚地表明了它的年龄。）2. The old books have many iron stains that make them difficult to read.（旧书有很多铁锈斑迹，使得它们难以阅读。）3. The car was covered in iron stains from years of use.（这辆车被多年使用后的铁锈斑迹覆盖。）']
例句：
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1. The iron stain on the wall is a clear indication of its age.
墙上的铁锈斑迹清楚地表明了它的年龄。
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2. The old books have many iron stains that make them difficult to read.
旧书有很多铁锈斑迹，使得它们难以阅读。
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3. The car was covered in iron stains from years of use.
这辆车被多年使用后的铁锈斑迹覆盖。