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单词 potassium
释义
N125371164potassiumSpoken.71Fiction.52Magazine.719Newspaper.134Academic.188

potassium

/pəʊˈtæsɪəm/
noun
mass noun
the chemical element of atomic number 19, a soft silvery-white reactive metal of the alkali-metal group. (Symbol: K)
(化学元素)钾 (符号: K)。
派生词

potassic

adjective Mineralogy 【矿】)
词源
early 19th cent.: from POTASH (earlier potass, from French potasse)+-IUM.
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