1. The city was walled and built upon a rock. 这座城有城墙围着，而且建在岩石上。
2. The walled city is an important tourist attraction. 这座城墙围绕的城市是一个重要的旅游胜地。
3. This room is walled off from the rest of the house. 这个房间和屋里的其他房间隔了开来。
4. All were detained in the Salem Gaol, a grim edifice of granite blocks, iron-barred windows and brick-walled cells. 所有人都被拘禁在萨勒姆监狱中，这是一座用花岗岩砌成、装有铁栅栏窗户和砖墙砌成的牢房构成的可怕建筑。
5. Why stay within a closed community when you can roam outside its walled garden, into the wilds of the internet proper? 当你能够漫步到花园的围墙外进入到广阔的互联网时，为什么还要待在那个封闭的区域里呢？
