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单词 wolfram
释义

wolfram

/ˈwʊlfrəm /
noun [mass noun]
Tungsten or its ore, especially as a commercial commodity.By 1907 most of the gold mining was replaced by tin and wolfram....
  • It's then balanced with heavy inserts of wolfram (the principle ore in tungsten) on both the heel and toe.
  • Karens also make their living by fishing in coastal areas, working in tin or wolfram mines, and gathering forest products like rattan and honey.

Origin

Mid 18th century: from German, assumed to be a miners' term, perhaps from Wolf 'wolf' + Middle High German rām 'soot', probably originally a pejorative term referring to the ore's inferiority to tin, with which it occurred.

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更新时间:2025/2/23 4:48:22