用于口令backward; about face

• 向后转

  turn backwards

• 向后转走！

  About face, march!

• 身子向后退

  step backwards

• 向后退三步

  walk back three steps

• 向后退一点

  move back a little

• 向后仰

  lean back

• 把军队向后撤退

  pull back the army