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  1. Oxford American Dictionary

    cytosine

    • IPA[ˈsīdəˌsēn]

    美式

    • n.
      a compound found in living tissue as a constituent base of nucleic acids. It is paired with guanine in double-stranded DNA.

    • noun: cytosine

    • 更多解釋

    cytosine

    • IPA[ˈsʌɪtə(ʊ)siːn]

    英式

    • n.
      a compound found in living tissue as a constituent base of DNA. It is paired with guanine in ...

    Oxford Dictionary