vertical retrace

例句：

1. 1. The team decided to make a verticalretrace after the game.
   比赛后，球队决定进行一次垂直倒退。
2. 2. During thelong flight, she took a vertical retrace to relax.
   在漫长的飞行中，她进行了一次垂直倒退来放松自己。
3. 3.The climber made a vertical retraceto avoid the steep slope.
   攀岩者为了避开陡峭的斜坡，进行了一次垂直倒退。