A large fortified building or group of buildings with thick walls, usually dominating the surrounding country.
城堡带有厚墙的用来设防的大型建筑物或建筑群, 通常控制周围的村庄
The surrounding villages have been absorbed by/into the growing city.
周围的村庄已经并入了那不断扩展的城市.
Gradually the surrounding farmland turned residential.
周围的农田渐渐变成了住宅区。