defences的例句（defences在句子中的用法）

• The defences of the city are strong. 这个城市的防御工事很稳固。
• People have been mobilised to build defences and drain flooded land as heavy rains continue to fall. 大雨还在继续下，人们已经被动员起来修筑防洪工事，为遭淹田地排水。
• Our tanks have breached the enemy defences. 我方坦克车突破了敌人的防线.
• Squads of prison officers have been probing the rioters' defences. 几队狱警一直都在探察暴乱者的防卫情况。
• ...the need to maintain Britain's defences at a sufficiently high level. 维持英国的防御力量在足够高水平之上的需要
• These front-line defences are backed up by armoured units in reserve. 前线的防务得到后备装甲部队的支援。
• The defences are intended to obstruct any advance by tanks and other vehicles. 这些防御工事用于阻止坦克等车辆前进。