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 defences of the city are strong.

这个城市的防御工事很稳固。

They are firing upon the enemy works.

他们正向敌人的工事开火。

The fortifications were out of repair.

防御工事年久失修。

They smashed the enemy's defences.

他们摧了敌人的防卫工事。

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工事中的一辆满载头戴钢盔的武装人员的装甲车开展防暴行动。