A black stream of ink flowed across the length of the room.

一股黑色的墨水流遍了整个房间。

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Careful steps were required to avoid the black stream littered with telltale plastic bags.

他们需走路小心，避开扔满了塑料袋的黑色地带，而那些塑料袋有些已经破裂，露出了里面的垢物。

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Tears stream down the faces of older black audience members.

老年黑人观众脸上流淌着泪水。

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The stream now carries black sediment of waste coal which eventually flows into Lake Kariba.

BBC: China in Zambia: Jobs or exploitation?

Then from nowhere emerged a large group of Iraqis -- an old man, several young boys and a stream of women enveloped in black chadors -- that began crossing a major intersection overlooked by Humvees.

CNN: 's Karl Penhaul

Russia also continues to push South Stream, a Russian-backed Black Sea pipeline.

ECONOMIST: Energy security in Europe