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单词 potassium
释义

po.tas.si.um
pE5tAs7i7Em
n [U]
a silvery-white element which, in combination with other elements, is used in the production of soap, glass and FERTILIZERS (= substances which help crops to grow better). It very easily takes part in chemical reactions.


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更新时间:2025/8/9 13:23:18