Now it was galloping around and around the black shapes on the ground, and the Dementors were falling back, scattering, retreating into the darkness.

现在它围绕着地面上黑色的形体一圈圈地跑着，摄魂怪后退、溃散、隐入黑暗之中。

Now it was galloping around and around the black shapes on the ground, and the dementors were falling back, scattering, retreating into the darkness.... They were gone.

现在它围绕着地面上黑色的形体一圈圈地跑着，摄魂怪后退、溃散、隐入黑暗之中..它们走了。

He began to call his scattered troops back to  prepare for a battle, but they had to cross miles of challenging terrain to get there.

他开始召集分散的部队回来准备战斗，但他们必须穿越数英里的具有挑战性的地形才能到达那里。