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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
随便看
in real terms
in relation to
in relays
in relief
in rem
in reserve
in residence
in return
inro
inroad
in rough
inrush
in safe hands
insalubrious
insane
insanitary
insanity
insatiable
inscribe
inscription
inscrutable
inseam
in season
in secret
insect
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更新时间：2025/9/15 2:44:15