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.
士兵們在城堡的城牆上站崗,警惕著任何危險的跡象。