| 单词 | atomic number 19 |
| 释义 | Atomic Number 19 nnoun.substancea 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 Synset:K potassium Substance Holonyms:carnallite kainite langbeinite brine saltwater seawater sylvine sylvite Hypernyms:metal metallic element Inherited Hypernyms:potassiummetallic elementchemical elementsubstancematterphysical entityentity Inherited Hypernyms:potassiummetallic elementchemical elementsubstancepartrelationabstractionentity |
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