fortress
n. 堡壘,要塞
A fortress is a castle or other large strong building, or a well-protected place, which is intended to be difficult for enemies to enter.
...a 13th-century fortress.
13 世紀的堡壘
1. a fortified defensive structure
Akuma trains endlessly day and night on his fortress island Gokuentou.
豪鬼日夜不停地在獄炎島上修行.
They deride every fortress, For they heap up dirt and take it.
他們嗤笑一切保障, 堆築土壘攻取.
They made an attempt on a fortress.
他們試圖奪取這一要塞.
The enemy yielded a fortress.
敵人(被迫)放棄了要塞.
The friary seemed to have been fortified aa fortress.
修道院似乎被強化如同堡壘一樣.