Electric eels are long and usually gray-brown in color.

电鳗很长，通常为灰褐色。

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The white ones are white in winter, but gray-brown in summer.

这些白色的在冬天是白色的，但是在夏天是灰棕色的。

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The smooth gray-brown smoke hangs over the Russian landscape, completely obscuring the ground in places.

滚滚的浓烟盘旋在空中，将俄罗斯完完全全的遮住。

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Down the road from the park visitor center at Furnace Creek is Death Valley Elementary school, a flat-roofed building beside a dry streambed, which blends easily into the gray-brown landscape.

NPR: Students Blossom in the Desert

Their vibe is masculine with a gray-and-brown palette and a surfeit of technology, such as the maddening touch-screen panel meant to control the suite's three TVs (one in the bathroom mirror), DVD player, radio, iPod dock, temperature, drapes, lights, and many other things I never got the hang of.

FORBES: Debut

The Conklins' brown-gray hemlock floor plank has grains you can lose yourself in.

FORBES: Barn Again