bung of setters

例句：

1. 1.The goalposts were painted in bright red to mark the end of the game.
   球门柱被涂成鲜红色，以标记比赛结束。
2. 2. The goalposts are essential for keeping the ball in play during a soccer match.
   球门柱对于保持足球在比赛期间处于有效位置至关重要。
3. 3.The goalposts are often used as a landmark for players trying to find their way back to the pitch.
   球门柱常常被用作球员尝试找到回球场路线的地标。