Tara, who insisted it was a white board, saw a black one.
塔拉坚持说那是一块白板,但看到的却是一块黑色的。
Yes. Which one? The red one or the black one?
可以。哪一条? 红的还是黑的?
She doesn't like the black one but she likes the green one.
她不喜欢黑色的那个,但她喜欢绿色的那个。
In nineteen forty-one, a leader in the black community,A.Philip Randolph, threatened to lead a giant march on Washington for civil rights for blacks.
VOA: special.2011.06.30
It grew to become one of the most successful black-owned businesses in the United States.
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One is a kind of deep-water black coral called Leiopathes.
VOA: special.2009.05.12
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