Either corner of the field formed by the sideline and the defending team's goal line. The ball may be deliberately punted out of bounds in this area, thus forcing the receiving team to play very close to its goal line.棺材角：由边线和防御小组目标线形成的场地的两个角中任一个。橄榄球可故意抛出这一区域的界限，于是迫使防御队跳到非常接近它的目标线