noun🔗Share堡垒，要塞。 A fortified place; a large and permanent fortification, sometimes including a town; for example a fort, a castle; a stronghold; a place of defense or security."During the war, the city became a fortress against enemy attacks. "战争期间，这座城市变成了一座坚固的堡垒，抵御敌人的进攻。architecturemilitarybuildingplacehistoryChat with AIVocabulary GamePractice Reading
noun🔗Share战略要地，据点. A position that, if obtained by the weaker side, will prevent penetration by the opposing side, generally achieving a draw."The students' makeshift fortress of chairs and desks prevented the other team from reaching the prize. "学生们用桌椅临时搭建的战略据点，阻止了对方队伍拿到奖品。militarypositionarchitecturebuildingChat with AIVocabulary GamePractice Reading
verb🔗Share保卫，设防，筑堡。 To furnish with a fortress or with fortresses; to guard, to fortify."The school fortified its library, building a fortress around the valuable books to protect them from damage. "学校加固了图书馆，就像围绕着珍贵书籍筑起了一座堡垒一样，以保护它们免受损坏。militaryarchitecturebuildingwarChat with AIVocabulary GamePractice Reading
