badge /ˈbæʤ/
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  badge
  識別證
  badge
  識別證
  Badge v. t. To mark or distinguish with a badge.
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  Badge n.
  1. A distinctive mark, token, sign, or cognizance, worn on the person; as, the badge of a society; the badge of a policeman.  “Tax gatherers, recognized by their official badges.”
  2. Something characteristic; a mark; a token.
     Sweet mercy is nobility's true badge.   --Shak.
  3. Naut. A carved ornament on the stern of a vessel, containing a window or the representation of one.
  badge
       n 1: an emblem (a small piece of plastic or cloth or metal) that
            signifies your status (rank or membership or affiliation
            etc.); "they checked everyone's badge before letting
            them in"
       2: any feature that is regarded as a sign of status (a
          particular power or quality or rank); "wearing a tie was
          regarded as a badge of respectability"
       v : put a badge on; "The workers here must be badged"