名词
中文翻译：铁锈
同义词：
['rust', 'iron oxide']
例句：
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1.The old iron ocher has been polished to a shine.
这个旧的铁锈已经打磨得闪闪发光。
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2. The iron ocher was used as a pigment in the painting.
这个铁锈被用作这幅画的颜料。
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3.The iron ocher is often used as a decorative element in architecture.
铁锈经常被用作建筑装饰元素。