countermarch /ˈkaʊntəˌmɑːtʃ/

• 1.  

  V（动词） to march or cause to march back along the same route 向反方向前进
• 2.  

  V（动词） to change the order of soldiers during a march 行军中调整士兵的队列顺序
• 3.  

  N（名词） the act or instance of countermarching 向反方向的前进