earthwork
🇺🇸
/ˈɜːrθwɜːrk/
🇬🇧
/ˈɜːθwɜːk/
A structure made of earth, like a wall or a mound, used for protection or as a part of a building.
The ancient earthworks around the city served as a strong defense against invaders.
고대의 토목 시설이 도시 주변에 있었으므로 침략자들에게 강력한 방어를 제공했습니다.