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osmiridium是什么意思？

osmiridium

英[ˌɒzmə'rɪdi:əm] 美[ˌɒzmə'rɪdiəm]
英英词典释义
  • Noun
    1. a hard and corrosion resistant mineral that is a natural alloy of osmium and iridium (usually containing small amounts of rhodium and platinum); used in needles and pen nibs etc.