fortification
🇺🇸
/ˌfɔːrtɪfɪˈkeɪʃn/
🇬🇧
/ˌfɔːtɪfɪˈkeɪʃn/
structures built to protect a place from attack
The old fortification walls still stand around the city.
这座城市的古老防御工事城墙至今仍然屹立不倒。
the process of making something stronger
The fortification of the building made it safer during storms.
建筑物的加固使其在暴风雨期间更加安全。