Necker cube
短语词形变化
Necker cubes
复数
Necker cubes
释义与例句
n.
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1.
An optical illusion consisting of a wireframe drawing of a cube, where a given face may be perceived as being either on the front or the back of the cube.
词源
The Necker cube was first published as a rhomboid in 1832 by Louis Albert Necker.
来源:wiktionary