syn·the·siz·er /-ˌsaɪzɚ/
  合成器
  synthesizer
  合成器
  synthesizer
       n 1: an intellectual who synthesizes or uses synthetic methods
            [syn: synthesist, synthesiser]
       2: (music) an electronic instrument (usually played with a
          keyboard) that generates and modifies sounds
          electronically and can imitate a variety of other musical
          instruments [syn: synthesiser]