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单词
radon
释义
radon
noun
uncountable
chemistry
UK
/
ˈreɪdɒn
/
DEFINITIONS
1
1
a chemical element that is a rare radioactive gas. Its symbol is Rn.
Synonyms and related words
Radioactivity and radiation
alpha particle
atomic
becquerel
Synonyms and related words
Gases
acetylene
ammonia
argon
Synonyms and related words
Chemical elements
actinium
alkali metal
aluminium
radon
noun
uncountable
chemistry
US
/
ˈreɪdɑn
/
DEFINITIONS
1
1
a chemical element that is a rare radioactive gas. Its symbol is Rn.
Synonyms and related words
Radioactivity and radiation
alpha particle
atomic
becquerel
Synonyms and related words
Gases
acetylene
ammonia
argon
Synonyms and related words
Chemical elements
actinium
alkali metal
aluminum
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bunsen burner
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bunting
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buoy
buoyancy
buoyant
bupa
buprenophrine
bur
burble
burbs
burden
burdensome
burdock
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更新时间:2025/6/6 3:04:38