back space file

例句：

1. 1.The player back spaced the ball to avoid a collision.
   球员后退了一步以避免碰撞。
2. 2.The team back spaced their formation to create more space for the forwards.
   球队后撤他们的阵型，为前锋创造更多空间。
3. 3. The car back spaced as it approached the intersection.
   汽车在接近十字路口时后撤。