The stronghold of a castle.
要塞城堡的把守要点
an unassailable stronghold, fortress, etc
攻不破的堡垒、 要塞等
Old Havana and its Fortifications
哈瓦那古城及其要塞
They captured the enemy stronghold.
他们攻占了敌人的要塞。
I went to the tunnels of the Fortress.
我去了要塞的地道。
The enemy occupied our fort.
敌人占据了我们的要塞。
The Indians besieged the fort.
印第安人围困了要塞。
The enemy soon occupied the fort.
敌人很快占领这座要塞。
The soldiers seized the fortress.
士兵们攻占了要塞。
They assailed the fortress.
他们猛烈攻击那要塞。
The army seized the fort.
军队占领了这个要塞。
The fort fell without a shot being fired.
要塞一枪没放就失守了。
They have delivered the fortress.
他们放弃了这一要塞。
an observation post in a border fortress
边界要塞上的观察所.
retake a fortress, ship, town
夺回要塞、 轮船、 城市.
The heavy guns pounded the walls of the fort.
重炮对着要塞外墙轰击.
Yield a fortress to the enemy.
放弃要塞让敌人占领。
These holes were to be ground smooth, painted, and filled with a rubber plug.
这些孔要磨光，油漆，并塞以橡胶塞。
