工事

They are firing upon the enemy works.

他们正向敌人开火。

The defences of the city are strong.

这个城市防很稳固。

The fortifications were out of repair.

防年久失修。

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。

They smashed the enemy's defences.

他们摧了敌人防卫。

The final exercise pitted a counterterrorism squad against an escaping vehicle of balaclava-clad men who holed up in a concrete building.

最后一项是针对藏在混凝土中一辆满载头戴钢盔人员甲车开展防暴行动。