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单词 strontium
释义
Strontium
nnoun.substancea soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
Synset:Sr atomic number 38
Substance Holonyms:celestite strontianite
Hypernyms:metal metallic element
Inherited Hypernyms:strontiummetallic elementchemical elementsubstancematterphysical entityentity
Inherited Hypernyms:strontiummetallic elementchemical elementsubstancepartrelationabstractionentity
Direct Hyponyms:strontium 90
Full Hyponyms:
strontium 90
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更新时间:2024/12/23 19:09:05