vi·tal·ism /ˈvaɪtḷˌɪzəm/
  活力論,生機說
  vi·tal·ism /ˈvaɪtḷˌɪzəm/ 名詞
  生機論,活力論
  Vi·tal·ism n. Biol. The doctrine that all the functions of a living organism are due to an unknown vital principle distinct from all chemical and physical forces.
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  vitalism
       n : (philosophy) a doctrine that life is a vital principle
           distinct from physics and chemistry