n.捍卫者，(军事)堡垒，防御工事

原形：bastion复数：bastions

The bastion was strategically positioned to protect the entrance of the city.
这座壁垒被战略性地设置在城市的入口处以提供防御。
After years of renovation, the old fortress has been transformed into a modern bastion of innovation.
经过多年的修复，这座古老的堡垒已经变成了创新的现代壁垒。
The bastion stood tall and unyielding against the enemy's relentless assault.
防御工事坚不可摧，抵挡住了敌人的猛烈攻击。
She is the bastion of support for her family, always there to lend a helping hand.
她是家中的支柱，总是伸出援手给予支持。
The government established a new bastion of environmental protection laws.
政府建立了一个新的环保法规壁垒。
The museum is a cultural bastion, preserving the heritage of the region for future generations.
博物馆是文化的壁垒，为后代保存了地区的文化遗产。
The soldier manned the bastion, scanning the horizon for any signs of danger.
士兵坚守在壁垒上，警惕地扫视着远方的任何威胁。
His unwavering commitment to truth made him a bastion of integrity in the media landscape.
他对真相的坚定承诺使他在媒体领域成为正直的壁垒。
The digital literacy program aims to fortify the educational bastion for underprivileged children.
数字素养项目旨在强化贫困儿童的教育壁垒。
The architect designed the building as a bastion of sustainability, incorporating eco-friendly features.
建筑师将这座建筑设计成一个可持续性的壁垒，融入了环保元素。