Filthy-looking blackheads feed the misconception that acne grows on grime. In reality, sebum turns the color of mud when exposed to air.

看上去脏乎乎的黑头粉刺让人们往往误解为粉刺就是在尘垢上长出来的。事实上，皮脂在暴露在空气中时会转变成泥土的颜色。

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Simple houses, village is still green color of mud and Diane tile, rustic Village Lane, and the simplicity of the villagers.

纯朴的民居，村庄至今仍是青一色的泥墙黛瓦房，纯朴的村巷，还有纯朴的村民。

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The color of mud every place is different, red, yellow, black, green, corny, green, flying, cyan, I see color is soil, is mud, very simple things, and essential.

泥巴的颜色每个地方不一样，红的，黑得，黄的，土的，绿的，飞的，青的，我明白了颜色就是土，是泥巴，很简单的东西，很本质。

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Mine are often a lovely brownish-mud color thanks to a magic ingredient called FROZEN MIXED BERRIES from Costco.

FORBES: Green Smoothies: Hope for Old, Fat, Busy, Executives