Europe's biggest Stone Age earthworks are at Silbury Hill in Wiltshire.
欧洲石器时期最大的土木防御工事位于威尔特郡的西尔布利山。
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 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.
The fortifications were out of repair.
防御工事年久失修.
The defences of the city are strong.
这个城市的防御工事很稳固.
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。
" 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.
" But -- why should we be fortified any more than we are already fortified?
" 可是 ---- 我们已经有很好的防御工事,为什么还要再修新的 呢 ?
The beach defenses were softened up before the landing craft went in.
在登陆艇驶入以前,海滩防御工事已遭到削弱.
About two thousand men were ganged out to strengthen the works.
约有二千人编组成军加强防御工事.
All their defenses were beaten down by the tanks.
他们的所有防御工事都被坦克给毁坏了.
All the beaches now bristled with defenses of various kinds.
所有的海滩现在都布满了各式各样的防御工事.
These fortifications were all built during the last war.
这些防御工事都是上次战争时修的.
He could level the beach defenses first with one force.
他能先把沿海的防御工事一举彻底摧毁.
The walls of York were strong defenses.
约克郡的城墙曾经是坚固的防御工事.