bulwark of defense 防御堡垒
build a bulwark 建立防护
strong bulwark 坚固屏障
bulwark against danger 抵御危险的屏障
moral bulwark 道德屏障
1. The castle’s walls served as bulwarks against invaders.
城堡的城墙充当了抵御入侵者的防御屏障。
2. Education is a bulwark against ignorance.
教育是抵御无知的坚实屏障。
3. The city built bulwarks along the coast.
这座城市沿海岸修建了防御工事。
4. Strong institutions act as bulwarks for society.
强大的制度是社会的坚固屏障。
A: Why are bulwarks important in history?
A：为什么防御工事在历史上很重要？
B: They protected cities and people from attacks.
B：它们保护城市和人民免受攻击。
1) 指军事或建筑上的防御性屏障结构
2) 比喻保护力量或支持体系
3) 指抵御危险、威胁或负面影响的手段
4) 用于强调稳固的保护或防线
1. 防御工事；堡垒；防护墙
e.g.The city built strong bulwarks along its borders.
这座城市在边界建造了坚固的防御工事。
2. 强有力的保护或支持
e.g.Education is a bulwark against poverty.
教育是抵御贫困的坚实屏障。
noun
1. A defensive wall or structure used for protection against attack, or something that provides strong support or defense metaphorically.
Synonym: barrier, defense, safeguard