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单词 wolframite
释义 wolframite
 /wool"freuh muyt', vawl"-/,  n.  
 a mineral, iron manganese tungstate, (Fe,Mn)WO4, occurring in heavy grayish-black to brownish-black tabular or bladed crystals: an important ore of tungsten.
 Also, wolfram.
 [1865-70; WOLFRAM + -ITE1]
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更新时间:2024/9/22 3:54:50