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单词
actinium
释义
actinium
/ækˈtiniəm/
n. Chem.
a radioactive metallic element of the actinide series, occurring naturally in pitchblende (symbol
符
Ac
)
【化】
(
化学元素
)
锕
[Greek
aktis -inos
‘ray’ + -IUM]
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Indian elephant
Indian file
Indian hemp
Indian ink
Indian Ocean
Indian rope-trick
Indian sign
Indian summer
India paper
India rubber
Indic
indicate
indication
indicative
indicatively
indicator
indicatory
indices
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indicial
indict
indictable
indictee
indicter
indictment
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更新时间:2026/9/20 10:42:35