cog·nos·ci·ble /kɑgˈnɑsəbəl/
  (a.)可以認識到的
  Cog·nos·ci·ble a.
  1. Capable of being known. “Matters intelligible and cognoscible.”
  2. Liable to judicial investigation.
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  cognoscible
       adj : capable of being known [syn: knowable, cognizable, cognisable]
             [ant: unknowable]