goalpost

名词 goalpost:

1. one of a pair of posts (usually joined by a crossbar) that are set up as a goal at each end of a playing field

1. The boys chalked out goalposts on the sports ground wall.
   男孩子们在运动场边的墙上用粉笔画上了球门柱。
2. The boys chalked out goalposts on the playground wall.
   男孩子们在运动场的墙上用粉笔画上了球门柱。