Just below the chromatophores is a layer of cells that reflect light from the environment, and these cells help the octopus create a precise match with the colors that surround them.

色素团下面是一层细胞，它可以反射周围环境的光，这些细胞可以帮助章鱼精确地匹配周围的颜色。

youdao

They put sands with different colors inside a transparent bottle layer by layer.

他们一层一层的把不同颜色的沙子装入透明的玻璃瓶。

youdao

Now select Gradient Tool from the layer palette, make sure that default colors are selected (black and white you can activate them simply by pressing D on your keyboard).

选择渐变工具，保持默认颜色（黑色为前景色，白色为背景色），你可以简单的点击工具栏上面的小图标快速设置。

youdao

Instead they applied bright colors directly to a smooth, hard layer of zinc-white or gesso.

WSJ: Victorian Avant-Garde | Pre-Raphaelites: Victorian Art and Design | National Gallery of Art | By Barrymore Laurence Scherer

The covers apparently get their eye-catching look from their "dual-shot color" shells, with several of the cases a mix of either two colors or a white base and gently tinted outer layer.

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