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单词
actinium
释义
actinium
n. Chem. a radioactive metallic element of the actinide series, occurring naturally in pitchblende.
Usage
Symb.: Ac.
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fibroin
fibroma
fibrosis
fibrositis
fibrous
fibula
-fic
-fication
fiche
fichu
fickle
fictile
fiction
fictitious
fictive
fid
Fid. Def.
fiddle
fiddle-de-dee
fiddle-faddle
fiddler
fiddlestick
fiddling
fiddly
fideism
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更新时间:2025/11/14 13:11:33