rampart
🇺🇸
/ˈræmpɑːrt/
🇬🇧
/ˈræmpɑːt/
A strong wall built around a castle or town to protect it.
The soldiers stood guard on the castle ramparts, watching for any sign of danger.
士兵们在城堡的城墙上站岗,警惕着任何危险的迹象。