| 单词 | 金属矿石 |
| 释义 | 〔osmiridium〕A mineral that is a natural alloy of osmium and iridium with small inclusions of platinum, rhodium, and other metals, used in needles and wearing points. Also called iridosmine 铱锇矿：一种矿石，是少量铂、铑及其他金属矿石的铱锇的自然合金，用于制造针头和耐磨尖端 也作 iridosmine〔slag〕The vitreous mass left as a residue by the smelting of metallic ore.矿渣，熔渣：金属矿石熔化后产生的玻璃状残渣〔nonrenewable〕Of or relating to an energy source, such as oil or natural gas, or a natural resource, such as a metallic ore, that is not replaceable after it has been used.不可再生的：能源（如石油、天然瓦斯）或自然资源（如金属矿石）等一旦被使用就无法再生的或与其相关的 |
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