Level 6 · word 16,485 of 20,000

fortification

/ˌfɔːrtɪfəˈkeɪʃən/ American
  • n. 防御工事, 要塞
Definition
  • n. a wall or building built to defend a place against attack
Example
Soldiers built a strong fortification around the town before the attack.
士兵们在进攻之前在镇子周围建起了坚固的防御工事。