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| 单词 | wolfram |
| 释义 | wolf·ram (wlfrəm)n. See tungsten. [German Wolfram, wolframite, tungsten, from earlier, a mineral (possibly wolframite) with a sooty appearance that when present in tin ore made the extraction of tin more difficult : Wolf, wolf (because the mineral seemed to eat up tin as a wolf eats a sheep) (from Middle High German, from Old High German; see wkwo- in the Appendix of Indo-European roots) + -ram (from Middle High German rām, soot).] |
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