Penrose stairs

短语

发音

其它

词形变化

only 复数

释义与例句

n.
  1. 1.

    An impossible loop of endlessly ascending and descending stairs, or an optical illusion appearing to depict such a loop.

    仅复数

    For quotations using this term, see Citations:Penrose stairs.

词源

After a drawing by Lionel Penrose and Roger Penrose.

来源：wiktionary