self·same /ˈsɛlfˌsem/
 (a.)完全相同的,同一的
 Self·same a.  Precisely the same; the very same; identical.
    His servant was healed in the selfsame hour.   --Matt. viii. 13.
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 selfsame
      adj : being the exact same one; not any other:; "this is the
            identical room we stayed in before"; "the themes of his
            stories are one and the same"; "saw the selfsame
            quotation in two newspapers"; "on this very spot"; "the
            very thing he said yesterday"; "the very man I want to
            see" [syn: identical, one and the same(p), selfsame(a),
             very(a)]