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单词
niobium
释义
niobium
noun
uncountable
chemistry
UK
/
naɪˈəʊbiəm
/
DEFINITIONS
1
1
a chemical element that is a silvery-grey metal. Its symbol is Nb.
Synonyms and related words
Chemical elements
actinium
alkali metal
aluminium
niobium
noun
uncountable
chemistry
US
/
naɪˈoʊbiəm
/
DEFINITIONS
1
1
a chemical element that is a silvery-gray metal. Its symbol is Nb.
Synonyms and related words
Chemical elements
actinium
alkali metal
aluminum
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更新时间:2025/10/8 21:45:34