anaesthesia
  麻醉,痲痺
  an·aes·the·sia /ˌænəsˈθɪʒə/ 名詞
  麻醉(法),感覺缺失,痲木
  an·æs·the·si·a, an·es·the·si·a n.  Med. Entire or partial loss or absence of feeling or sensation; a state of general or local insensibility produced by disease or by the inhalation or application of an anaesthetic.
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  anaesthesia
       n : loss of bodily sensation with or without loss of
           consciousness [syn: anesthesia]