py·or·rhea /ˌpaɪəˈriə/
  膿漏
  py·or·rhea /ˌpaɪəˈrɪə/ 名詞
  膿溢
  pyorrhea
       n 1: discharge of pus [syn: pyorrhoea]
       2: chronic periodontitis; purulent inflammation of the teeth
          sockets [syn: pyorrhoea, pyorrhea alveolaris, Riggs'
          disease]