Penrose stairs

名词 n.
中文释义

英文释义

名词 n.
  1. An impossible loop of endlessly ascending and descending stairs, or an optical illusion appearing to depict such a loop. plural,plural-only
    — For quotations using this term, see Citations:Penrose stairs.

词源

After a drawing by Lionel Penrose and Roger Penrose.
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