fu·run·cle /ˈfjʊrˌʌŋkəl/
  疔瘡,癤
  fu·run·cle /ˈfjʊ(ə)rˌəŋkəl/ 名詞
  癤
  Fu·run·cle n.  Med. A superficial, inflammatory tumor, suppurating with a central core; a boil.
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  furuncle
       n : a painful sore with a hard pus-filled core [syn: boil]