小堡垒

例句：

1. 1. The small fortress was built to protect the village frominvaders.
   这个小型堡垒是为了保护村庄免受侵略者侵袭而建造的。
2. 2. Theancient fortress is still standing today, a testament to its resilience.
   这个古老的要塞至今仍然屹立不倒，见证了它的坚韧。
3. 3. The fortress was a symbol of strength anddefense in medieval times.
   这个要塞是中世纪力量和防御的象征。