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."The ancient mountains served as natural fortresses, protecting the valley from invaders. "远古的山脉如同天然的堡垒，保护着山谷免受入侵者的侵扰。architecturemilitarybuildingwarplaceChat with AIVocabulary GamePractice Reading
noun🔗Share堡垒，要塞。 A position that, if obtained by the weaker side, will prevent penetration by the opposing side, generally achieving a draw."The students, outnumbered by the other team, established fortresses in the corners of the playing field, preventing the opposing team from scoring and achieving a draw. "学生队人数不占优势，便在场地角落建立起坚固的防守阵地，就像堡垒一样，阻止对方得分，最终守和了比赛。militarypositionwararchitectureChat with AIVocabulary GamePractice Reading
