ven·tril·o·quist /vɛnˈtrɪləkwɪst/
  口技者
  Ven·tril·o·quist n. One who practices, or is skilled in, ventriloquism.
  Ventriloquist monkey Zool., the onappo; -- so called from the character of its cry.
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  ventriloquist
       n : a performer who projects the voice into a wooden dummy