Before we activate our paratroopers, we must be familiar with the topography of the drop zone.在我们动用空降部队之前,一定要熟悉降落地点的地形地貌。The allies landed thousands of airborne troops.盟军空投了数千人的空降部队。Airborne troops can leapfrog enemy concentrations and hit from the rear.空降部队可以避开敌方的兵力集结点而从敌后发起攻击。Airborne troops were dropped by parachute behind enemy lines.空降部队伞降到敌后阵地上。