aden·o·sine /əˈdɛnəˌsin, sən/
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  aden·o·sine /əˈdɛnəˌsɪn, sən/ 名詞
  adenosine
       n : (biochemistry) a nucleoside that is a structural component
           of nucleic acids; it is present in all living cells in a
           combined form as a constituent of DNA and RNA and ADP and
           ATP and AMP