| 词条 | potassium |
| 释义 | potassium [化]钾(19号元素, 符号K) 英英解释: 名词potassium: 1. a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite 同义词：K, atomic number 19 |
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