单词 | atomic number 76 |
释义 | atomic number 76 (extremely rare) n WORD FAMILY atomic number 76 n a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known Syn|Hyper Os, osmium 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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