防御工事用英语怎么说？

防御工事

例句

• The defences of the city are strong. 这个城市的防御工事很稳固。
• Bombardments of such density will destroy any defensive works built by the enemy. 这样大密度的轰炸会摧毁敌人的所有防御工事.
• The regiment secured its position while awaiting the enemy attack. 该团在等待敌人进攻之时,加强了防御工事.
• German fortifications facing the French Maginot Line. 德国为对抗法国的马其诺防线而建的一道防御工事.
• The fortress was proof against the techniques of attack then in use. 该防御工事能抵御当时所使用的各种进攻手段。
• " Our present fortifications are only a mile from town,'said Captain Randall shortly. " 我们现在的防御工事距离市区只有一英里远."兰德尔队长简洁地说.
• The fortifications were out of repair. 防御工事年久失修.
• The fortress was proof against the techniques of attack then in use... 该防御工事能抵御当时所使用的各种进攻手段。
• ...the remains of a war-time defence which projected out from the shore. 海滨凸立着的战时防御工事的遗迹
• ...the stupendous fortification they called the Maginot Line. 他们称为马其诺防线的巨大防御工事