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单词 pyrolusite
释义
py·ro·lu·site (pīrō-lsīt)
n.
A soft, black to dark gray mineral, MnO2, the commonest and most important secondary ore of manganese.

[German Pyrolusit : Greek puro-, pyro- + Greek lousis, a washing (from louein, to wash; see leu(ə)- in the Appendix of Indo-European roots).]
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更新时间:2024/9/22 5:21:14