card·board /ˈkɑrdˌbord, ˌbɔrd/
  厚紙板
  Card·board n. A stiff compact pasteboard of various qualities, for making cards, etc., often having a polished surface.
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  cardboard
       adj 1: resembling cardboard especially in flimsiness; "apartments
              with cardboard walls" [syn: flimsy]
       2: without substance; "cardboard caricatures of historical
          figures" [syn: unlifelike]
       n : a stiff moderately thick paper [syn: composition board]