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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
随便看
hammer and tongs
hammer away at
hammer blow
hammered
hammering
hammer into
hammer out
hammer/hit/drive something home
hammock
hammy
hamper
hamster
hamstring
hamstrung
hand
hand back
handbag
handbagging
handball
handbasin
handbill
handbook
handbrake
handcart
handclasp
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更新时间:2025/11/2 15:50:52