emaciation
  瘦弱,憔悴,衰弱
  ema·ci·a·tion /ɪˌmes(h)ɪˈeʃən/ 名詞
  消瘦
  E·ma·ci·a·tion n.
  1. The act of making very lean.
  2. The state of being emaciated or reduced to excessive leanness; an excessively lean condition.
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  emaciation
       n : extreme leanness (usually caused by starvation or disease)
           [syn: bonyness, gauntness, maceration]