Ni·lot·ic /naɪˈlɑtɪk/
  (a.)尼羅河的;尼羅河流域的
  Ni·lot·ic a.  Of or pertaining to the river Nile; as, the Nilotic crocodile.
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  Nilotic
       adj 1: of or relating to the Nile River or the people living near
              it
       2: of or relating to or constituting the Nilotic group of
          languages; "Nilotic syntax"
       n : a group of languages of East Africa belonging to the
           Chari-Nile group [syn: Nilotic language]