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单词 cobalt 60
释义
Cobalt 60
nnoun.substancea radioactive isotope of cobalt with mass number 60; a source of exceptionally intense gamma rays; used in radiation therapy
Hypernyms:Co atomic number 27 cobalt
Inherited Hypernyms:cobalt 60cobaltmetallic elementchemical elementsubstancematterphysical entityentity
Inherited Hypernyms:cobalt 60cobaltmetallic elementchemical elementsubstancepartrelationabstractionentity
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更新时间:2025/2/3 23:21:49