单词	cyanocobalamin
释义	cyanocobalamin noun cy·​a·​no·​co·​bal·​a·​min ˌsī-ə-nō-kō-ˈba-lə-mən  sī-ˌa-nō- variants or less commonly cyanocobalamine ˌsī-ə-nō-kō-ˈba-lə-ˌmēn  sī-ˌa-nō- : vitamin b12 sense 1 Word History Etymology cyan- + cobalt + vitamin First Known Use 1950, in the meaning defined above Medical Definition cyanocobalamin noun cy·​a·​no·​co·​bal·​a·​min -kō-ˈbal-ə-mən  variants also cyanocobalamine -ˌmēn  : vitamin b12
随便看	frottages frotteurs frottola frottole frotton frottons frou-frou frou-frous Froude froufrou froufrous frough frounce frounced frounces frouncing froust frouzier frouziest frow froward Froward, Cape frowarder frowardest frowardly

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