名词
中文翻译：铁锈石
同义词：
['ruststone', 'rusty rock']
例句：
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1.The feldspathoid in the riverbed is a rare mineral that can be used for industrial purposes.
河床中的铁锈岩是一种罕见的矿物，可用于工业用途。
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2. The feldspathoid has a distinctive reddish-brown color that makes it easy to identify in the field.
铁锈岩具有独特的红棕色，使其在野外易于识别。
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3.The feldspathoid was discovered by a geologist who wanted to study its potential as an alternative building material.
一位地质学家发现了这种铁锈岩，他想要研究其作为替代建筑材料的潜力。