| 单词 | lutecium |
| 释义 | lutecium (once / 3939771 pages) n WORD FAMILY lutecium n a trivalent metallic element of the rare earth group; usually occurs in association with yttrium Syn|Hyper Lu, atomic number 71, lutetium metal, metallic element any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
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