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1. Oxford Dictionary

   cyanocobalamin

   • IPA[ˌsʌɪənə(ʊ)kəˈbaləmɪn]

   英式

   • n.
     a vitamin derived from foods of animal origin such as liver, fish, and eggs, a deficiency of which can cause pernicious anaemia. It contains a cyanide group bonded to the central cobalt atom of a cobalamin molecule.

   • noun: cyanocobalamin

2. • 更多解釋

   cyanocobalamin

   • IPA[ˌsīənōˌkōˈbaləmən]

   美式

   • n.
     a vitamin found in foods of animal origin such as liver, fish, and eggs, a deficiency of which ...

   Oxford American Dictionary