“防御”造句

这一起对毫无防御能力的孕妇的袭击，令人无比震惊。
This was a sickening attack on a pregnant and defenceless woman.

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。
Europe's biggest Stone Age earthworks are at Silbury Hill in Wiltshire.

该防御工事能抵御当时所使用的各种进攻手段。
The fortress was proof against the techniques of attack then in use.

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