膃肭臍 [ㄨㄚˋ ㄋㄚˋ ㄑㄧˊ; wa4 na4 qi2]
  penis and testes of fur seal used in traditional Chinese medicine
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  膃肭臍
  膃肭獣
  おっとせい
  オットセイ
  noun (common) (futsuumeishi)
  word usually written using kana alone
  fur seal (esp. the northern fur seal, Callorhinus ursinus)
  Alaskan fur seal
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