词典收录词

Promethium

/prә'mi:θiәm/

钷

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Promethium 的中文释义

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Promethium 的英文释义

n a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium

Promethium 的词形变化

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相关单词

promote promise promotion prompt prominent promising promoter promptly prominence promotional promised promenade

最新更新单词

更新时间：2026-06-09 14:55:55

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