名词
中文翻译：Unknown
同义词：
['igneous rock', 'igneous mineral']
例句：
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1. The pyroxmangites are a type of igneous rock that is formed deep within the Earth'scrust.
火成岩是一类在地球地壳深处形成的岩浆岩。
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2. The pyroxmangites found in the area are rich in minerals such as iron and manganese.
该地区发现的火成岩富含铁和锰等矿物质。
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3. The pyroxmangites have been used for centuries as building materials due to their strength and durability.
由于其强度和耐用性，火成岩被用作数百年的建筑材料。