noun🔗Share堡垒，要塞。 A strong fortress that sits high above a city."The ancient citadel overlooking the city offered a safe haven during times of war. "那座俯瞰城市的古老堡垒，在战争时期提供了安全的避难所。architecturemilitarybuildingChat with AIVocabulary GamePractice Reading
noun🔗Share堡垒，要塞。 (sometimes figurative) A stronghold or fortified place."During the war, the castle served as the town's last citadel, protecting the people from the enemy. "战争期间，这座城堡成了城镇的最后堡垒，保护着人们免受敌人的侵害。architecturemilitarybuildingChat with AIVocabulary GamePractice Reading
noun🔗Share水线装甲区，核心舱。 An armoured portion of a warship, housing important equipment."The battleship's citadel protected its engines and ammunition from enemy fire. "那艘战列舰的**水线装甲区（核心舱）**保护了它的引擎和弹药，使其免受敌方炮火的攻击。militarynauticalwarpartvehicleChat with AIVocabulary GamePractice Reading
noun🔗Share救世军聚会场所, 救世军教堂 A Salvation Army meeting place."Every Sunday, my grandmother attends services at the Salvation Army citadel. "每个星期天，我的奶奶都会去救世军教堂做礼拜。religionorganizationbuildingChat with AIVocabulary GamePractice Reading
