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单词 californium
释义

californium

noun
/ˌkælɪˈfɔːniəm/
/ˌkælɪˈfɔːrniəm/
[uncountable]
(symbol Cf)
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  1. a chemical element. Californium is a radioactive metal produced artificially with curium or americium.
    Word Origin1950s: named after California University (where it was first made) + -ium.
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更新时间:2024/11/15 11:49:12