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英语单词

fergusonite是什么意思

fergusonite

英['fɜ:gəsənaɪt] 美['fɜ:gəsənaɪt]
  • n.褐钇铌矿,褐钇钽矿






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考试词汇

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分类词汇

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频率词汇

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单词首字母

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