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单词 atomic number 41
释义
atomic number 41
(extremely rare)
n

WORD FAMILY
atomic number 41
n a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
Syn|Hypo|Hyper
Nb, niobium
columbium
a former name for niobium
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:2024/9/22 1:19:19