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单词 samariums
释义

samarskite /sə-märˈskīt/

noun

A black mineral containing uranium

ORIGIN: Named in honour of Colonel Samarski, 19c Russian engineer

samarium /sə-māˈri-əm/ noun

A metallic element (symbol Sm; atomic no 62) observed spectroscopically in samarskite

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更新时间:2024/11/11 7:47:55