pre·da·ceous /prɪˈdeʃəs/
  (a.)捕食生物的;食肉的
  Pre·da·ceous a.  Living by prey; predatory.
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  predaceous
       adj 1: hunting and killing other animals for food [syn: predacious]
       2: living by or given to victimizing others for personal gain;
          "predatory capitalists"; "a predatory, insensate society
          in which innocence and decency can prove fatal"- Peter S.
          Prescott; "a predacious kind of animal--the early
          geological gangster"- W.E.Swinton [syn: predacious, predatory]