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单词 thorium
释义

thorium

noun
/ˈθɔːriəm/
/ˈθɔːriəm/
[uncountable]
(symbol Th)
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  1. a chemical element. Thorium is a white radioactive metal used as a source of nuclear energy.
    Word Originmid 19th cent.: named after Thor (the Greek god of thunder, the weather, agriculture and the home).
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更新时间:2025/3/9 23:34:32