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  1. cysteine

    • IPA[ˈsɪstɪiːn]

    英式

    • n.
      a sulphur-containing amino acid which occurs in keratins and other proteins, often in the form of cystine, and is a constituent of many enzymes.
    • noun: cysteine

    • 更多解釋
    • IPA[ˈsistēn]

    美式

    • n.
      a sulfur-containing amino acid which occurs in keratins and other proteins, often in the form ...

    Oxford American Dictionary