noun🔗Share要塞, 堡塁, 砦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. "戦争中、その都市は敵の攻撃に対する要塞となった。architecturemilitarybuildingplacehistoryChat with AIVocabulary GamePractice Reading
noun🔗Share要塞, 難攻不落の陣地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. "生徒たちが作った椅子と机の即席の要塞は、他のチームが賞品に到達するのを阻止した。militarypositionarchitecturebuildingChat with AIVocabulary GamePractice Reading
verb🔗Share要塞化する, 強化する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. "学校は貴重な本を損傷から守るために、図書館を要塞化し、周囲に要塞を築きました。militaryarchitecturebuildingwarChat with AIVocabulary GamePractice Reading