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Iceland spar英英字典_Iceland spar剑桥英语解释_Iceland spar柯林斯英文解释_94生活常识网有道词典
94生活常识网有道词典

Iceland spar

94生活常识网有道词典

柯林斯词典

    Iceland spar

  • 1. N a pure transparent variety of calcite with double-refracting crystals used in making polarizing microscopes 冰洲石

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