This illusion first discovered in 1870 is characterized by the "ghostlike" intermittent appearance of lightly colored gray dots that seem to connect the white surfaces and the black background.

这个错觉是在1870年首次发现的，其特点是：“诡异的”浅灰色圆点间歇性的出现，似乎连接着白色的表面和黑色的背景。

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Some of the segments dissolve in water, the gray segments here, and the lightly colored segments don't dissolve in water, they dissolve in fat.

有些片段可以溶于水中,像这里的灰色片段,而浅色的片段不溶于水,它们溶于脂肪中

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We'll never know, because the gray-colored figures did not possess any other features.

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The ivory-colored model will be named Latte, the gray one Macaron.

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He was wearing his yellow shirt, along with a rust-colored jacket, a striped tie of rich burgundy silk, and gray woollen slacks: his best clothes.

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