enemy troop movements

• 敌军的调动

enemy troop movements的用法和样例：

例句

1. Troop movements can be observed from space by a satellite.
   藉助卫星可观察到部队的调动。
2. Many times his sightings of Confederate troop movements prevented heavy losses to the Union forces.
   有许多次，由于他观测到南方同盟军队的调动情况，使联邦军队避免了严重损失。