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单词 parasitism
释义 parasitism
 /par"euh suy tiz'euhm, -si-/,  n.  
  1.  Biol.   a relation between organisms in which one lives as a parasite on another.
  2. a parasitic mode of life or existence.
  3.  Pathol.   a diseased condition due to parasites.
  4. (in some totalitarian countries)
   a. unemployment or refusal to work.
   b. employment in work considered nonessential by the state.
 [1605-15; PARASITE + -ISM]
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