Mold is usually green, white, black or gray.

霉菌通常为绿色、白色、黑色或灰色。

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This here's a new bit, and he touched a shoot which looked brownish green instead of hard, dry gray.

这是新的一点，他摸了摸一根嫩芽，它看上去是带褐色的绿色，而不是干硬的灰色。

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But they also accent black, green, and gray suits very nicely.

但它们也能很好地突出黑色，绿色和灰色的衣服。

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The men knew it was the middle of the day because the color of the sea changed from slate gray to emerald green, with gold lights.

VOA: special.2011.04.09

They're beautiful: pumpkin claws and green legs clouded by a veil of gray speckles.

VOA: standard.2010.07.20

In the U.S., where tastes are different, Hello Kitty can be purple, green or gray.

CNN: PRETTY IN PINK SLUMP

Mongolian spots (technically named congenital dermal melanocytosis) are flat bluish-green, gray or light brown areas where cells called melanocytes have been trapped in a layer of the skin called the dermis.

CNN: What are Mongolian spots?

In a series of five studies, about 150 heterosexual men (homosexual men and those with red-green color blindness were excluded) rated photographs of women framed in red, white, gray, green, or blue, or with the woman in a red or blue shirt.

CNN: Wearing red may boost your sex appeal