A device, such as a line, stake, or flag, set on a playing field and showing the playing or scoring position.
A device, such as a line, stake, or flag, set on a playing field and showing the playing or scoring position.
记分器线、桩或旗帜等设施，置于运动场上以显示比赛或得分位置
A device, such as a line, stake, or flag, set on a playing field and showing the playing or scoring position.
记分器线、桩或旗帜等设施，置于运动场上以显示比赛或得分位置