单词	selenium
释义	English American seleniumnoun [ U ] uk/səˈliː.ni.əm/us/səˈliː.ni.əm/symbol Se a chemical element used in photocells and photographic devices and also necessary in small amounts in the body Thesaurus: synonyms and related words Chemical elements alkali metal antimony calcium carbonic carbonic acid cesium cl graphene lithium nickel plutonium quicksilver sodium strontium sulphur transition metal tungsten urea vanadium zinc See more results » seleniumnoun [ U ] /səˈli·ni·əm/ chemistry a chemical element that is used in electronic devices and is also necessary in small amounts in the body
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