| 单词 | molybdenum |
| 释义 | molybdenum n. Chem. a silver-white brittle metallic transition element occurring naturally in molybdenite and used in steel to give strength and resistance to corrosion. Usage Symb.: Mo. Etymology: mod.L, earlier molybdena, orig. = molybdenite, lead ore: L molybdena f. Gk molubdaina plummet f. molubdos lead |
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