pop·li·te·al /ˌpɑpləˈtiəl ||pɑˈplɪtiəl/
  (a.)腿彎部的
  pop·li·te·al /ˌpɑpləˈtɪəl , pɑpˈlɪtɪ-/ 形容詞
  膕的
  Pop·lit·e·al a.  Anat. Of or pertaining to the ham; in the region of the ham, or behind the knee joint; as, the popliteal space.
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  popliteal
       adj : of or relating to the area behind the knee joint