| 单词 | spiegeleisen | 
| 释义 | spie·gel·ei·sen   (spēgə-lī′zən) n.  An alloy of iron containing approximately 15 percent manganese and small quantities of carbon and silicon, used in the Bessemer process. [German : Spiegel, mirror (from Middle High German, from Old High German spiagal, from Latin speculum; see  SPECULUM) + Eisen, iron (from Middle High German īsen, from Old High German īsan; see  eis- in the Appendix of Indo-European roots).] | 
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