castle
单词辨析：
指古代为了防御敌人进攻而修建的庞大而坚固的建筑物。
Visitors to the castle are asked not to take photographs.
来城堡参观者不得拍照。
Most castles were built on hilltops.
多数城堡建在山顶上。
指在重要之地修建的建筑物或建筑群，常围有高墙，用于屯兵守卫。
There are many forts on the coastline.
海岸线上有许多要塞。
The attack succeeded, and the fort was taken.
袭击成功，拿下了堡垒。
指比 fort 大的堡垒，用于防御。
Our soldiers took over the fortress.
我们的士兵占领了那个要塞。
The easiest way to capture a fortress is from within.
堡垒最容易从内部攻破。
相关例句：
A few days before, a fire had devastated large parts of Windsor Castle.
几天前，温莎城堡的大部分被一场大火烧毁。
Leeds Castle will provide a dramatic backdrop to a fireworks display next Saturday
利兹堡将为下周六的烟花燃放提供美妙的背景衬托。
There were cisterns to catch rainwater as it ran off the castle walls
雨水顺着城堡的墙壁流下时会流入蓄水池。
The barracks stand on the site of the old castle.
那个兵营位于古城堡的旧址上。
The castle stood out in relief against the blue sky.
在蓝天的陪衬下，城堡显得轮廓分明。
The island is surmounted by a huge black castle.
岛的最高处耸立着一座巨大的黑色城堡。