fortifications
📖 中文释义
- n. 防御工事（fortification的复数）
🧩 词形变化
📘 English Definition（英文释义）
- n defensive structure consisting of walls or mounds built around a stronghold to strengthen it
- n the art or science of strengthening defenses
- n the addition of an ingredient for the purpose of enrichment (as the addition of alcohol to wine or the addition of vitamins to food)