The playing area was marked off with a white line.

运动场地用白线划了出来。

《牛津词典》

As we see in the picture, a white spot is in the black area and a black spot is in the white area.

正如我们在图中所见的，一个白点在黑色区域中，一个黑点在白色区域中。

youdao

The top image shows a wider view and the bottom image shows a detailed view of the area outlined in white above.

上图显示为全景画面，而下图显示的是在上图白框圈出地区的细节画面。

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All of the boats had to pass through an area called the White Horse Rapids.

VOA: special.2009.02.11

The law at that time required black people seated in one area of the bus to give up their seats to white people who wanted them.

VOA: special.2009.03.08

Rosa Parks and three other black people were seated in the middle area of the bus when a white person got on the bus and wanted a seat.

VOA: special.2009.03.08

To the casual reader, the shrinking area of white seemed to signify disappearing ice, so the graphic may have given a totally misleading impression that Greenland had become ice-free - even where the ice is 3km thick.

BBC: Harrabin's Notes: Frozen assets

The company has had a part in the development of many shopping malls in the area, including White Flint, Tysons Corner and Tysons II.

FORBES: Valuations

But again this is an area where the White House is being criticized for, in the view of some, not wanting to be part of international discussions and forums.

CNN: John King: Stem cell research and Bush reaction to Mideast violence