The playing area is demarcated by a white line.

运动场地以白线为界.

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White lines divide the playing area into sections.

这些白线把赛区分成各个部分.

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Whirlpool under the ground can be used for visitors, or add the playing area used.

漩涡下的地面可以供观众参观, 或添加比赛区域用.

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A new Olympic rule allows coaches to stand just off the playing area.

新的奥林匹克运动会规则允许教练站在距比赛区域一定距离的地方内.

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Sports To send ( a tennis ball, for example ) outside the court or playing area.

将 ( 如网球等 ) 发到球场或局外.

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