can·ta·bi·le /kɑnˈtɑbɪˌle, li/
  (a.)如歌的,輕柔流暢的(ad.)如歌,輕柔流暢
  Can·ta·bi·le, n. Mus. A piece or passage, whether vocal or instrumental, peculiarly adapted to singing; -- sometimes called cantilena.
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  Can·ta·bi·le a.  Mus. In a melodious, flowing style; in a singing style, as opposed to bravura, recitativo, or parlando.
  cantabile
       adj : smooth and flowing [syn: singing]