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单词 atomic number 71
释义
atomic number 71
(extremely rare)
n

WORD FAMILY
atomic number 71
n a trivalent metallic element of the rare earth group; usually occurs in association with yttrium
Syn|Hyper
Lu, lutecium, 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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更新时间:2024/11/13 12:27:25