ver·si·fi·ca·tion /ˌvɝsəfəˈkeʃən/
  詩律,作詩
  Ver·si·fi·ca·tion n.  The act, art, or practice, of versifying, or making verses; the construction of poetry; metrical composition.
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  versification
       n 1: a metrical adaptation of something (e.g., of a prose text)
       2: the form or metrical composition of a poem
       3: the art or practice of writing verse