They are buff-colored or brown with some black along their backs.

它们是黄褐色或棕色，背部有一些黑色。

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Emu is a large Australian flightless bird, similar to the ostrich but with three-toed feet and grey or brown plumage.

鸸鹋是一种大型的澳大利亚不会飞的鸟，类似于鸵鸟，但是有三趾的脚和灰色或棕色的羽毛。

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Yellow or brown areas shaped like the letter V on leaves may be a sign of black rot infection.

VOA: special.2009.03.03

Impurities in glass such as iron can give it a green or brown color.

VOA: special.2009.09.16

But Dr.Brown says fingertips are not often reattached if they are the length of a fingernail or shorter.

VOA: special.2011.02.02

In the 2010 census some 51% of Brazilians defined themselves as black or brown.

ECONOMIST: Race in Brazil

People with this disorder usually have reddish-brown skin, ginger or reddish hair, and hazel or brown eyes.

CNN: Albinism

The planet orbits its host star, or brown dwarf, with an orbital radius similar to that of Venus.

BBC: Tiniest extrasolar planet found