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单词
actinium
释义
actinium
noun
uncountable
chemistry
UK
/
ækˈtɪniəm
/
DEFINITIONS
1
1
a chemical element that is a rare radioactive metal. Its symbol is Ac.
Synonyms and related words
Chemical elements
actinium
alkali metal
aluminium
actinium
noun
uncountable
chemistry
US
/
ækˈtɪniəm
/
DEFINITIONS
1
1
a chemical element that is a rare radioactive metal. Its symbol is Ac.
Synonyms and related words
Chemical elements
actinium
alkali metal
aluminum
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as one man
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a spent force
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asperger’s syndrome
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(as) per something
as per something
as per usual
asphalt
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asphyxiate
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更新时间:2025/7/27 12:33:30