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单词
radioactivity
释义
radioactivity
noun
uncountable
chemistry
UK
/
ˌreɪdiəʊækˈtɪvəti
/
DEFINITIONS
2
1
a form of energy that is produced by a
radioactive
substance and is harmful in large amounts
Synonyms and related words
Radioactivity and radiation
alpha particle
atomic
becquerel
2
the ability that some substances have to produce energy in the form of
radiation
Synonyms and related words
Radioactivity and radiation
alpha particle
atomic
becquerel
radioactivity
noun
uncountable
chemistry
US
/
ˌreɪdioʊækˈtɪvəti
/
DEFINITIONS
2
1
a form of energy that is produced by a
radioactive
substance and is harmful in large amounts
Synonyms and related words
Radioactivity and radiation
alpha particle
atomic
becquerel
2
the ability that some substances have to produce energy in the form of
radiation
Synonyms and related words
Radioactivity and radiation
alpha particle
atomic
becquerel
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ellipsoid
elliptical
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更新时间:2025/7/24 21:23:03