/ˈkæs(ə)l/ N-COUNT A ~ is a large building with thick, high walls. ~s were build by important people, such as kings, in former times, especially for protection during wars and battles. 城堡，堡垒；
/ˈkæs(ə)l/ N-COUNT A ~ is a large building with thick, high walls. ~s were build by important people, such as kings, in former times, especially for protection during wars and battles. 城堡，堡垒；