Tar balls continue to wash up on beaches.

焦油球继续被冲刷到沙滩上。

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Tar balls were found July 7 in Lake Pontchartrain, north of New Orleans, Louisiana.

7月7日，在位于新奥尔良州和路易斯安南州北部的庞恰特雷恩湖也发现了废油团。

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One important part of the LFS system is the large number of source files available as tar balls.

LFS系统的一个重要部件是，可以作为tar ball得到的大量源文件。

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Another source of concern: the discovery of 20 tar balls off Key West,Florida on Monday.

VOA: standard.2010.05.18

And,he said, tar balls are less toxic.

VOA: standard.2010.05.26

But the sight of workers wearing white protective suits and gloves hauling in tons of oil-contaminated waste - including bags of sandy tar balls, vegetation,used oil booms, rags and other clean-up supplies - has caused alarm among some Gulf coast communities.

VOA: standard.2010.08.05

There were tar balls in the Gulf before drilling for oil even existed!

FORBES: First BP Indictment Sets The Stage For A Fight Over Just How Much Oil Was Spilled

Any tar balls or oil from natural seeps takes this same direction.

FORBES: First BP Indictment Sets The Stage For A Fight Over Just How Much Oil Was Spilled

As tar balls floated ashore onto the Panhandle's white sands during the weekend, some anglers blamed their bad fishing luck on the oil.

WSJ: Gulf's Fishing-for-Fun Culture Also Takes Hit