circumvallation
「circumvallation」的意思
n. 城墙；围以城墙
n.围以城墙,城墙
「circumvallation」的用法
circumvallation环城，包围圈 - 军事术语，指用土方或其他材料筑成的防御工事，将敌军包围在其中。
「circumvallation」的例句
The city was under siege and the enemy was trying to break through the circumvallation.
城市被围困，敌人试图突破包围圈。
The soldiers were digging a circumvallation around the fort to protect it from the attackers.
士兵们正在挖掘一个包围圈来保护要塞免受攻击者。
The besieged city had to rely on its circumvallation to defend itself.
被围困的城市必须依靠其包围圈来防御自己。
The enemy's attempt to breach the circumvallation failed.
敌人的试图突破包围圈失败了。
The circumvallation proved to be an effective defense against the enemy's assault.
包围圈证明对敌人的进攻是有效的防御。
The city's circumvallation was breached by a surprise attack from the enemy.
城市被敌人的 surprise 攻击突破了包围圈。
The engineers worked tirelessly to improve the city's circumvallation defenses.
工程师们夜以继日地努力改善城市的包围圈防御。
The enemy's attempts to undermine the circumvallation were thwarted by the city's defenders.
敌人试图破坏包围圈的努力被城市守卫者挫败了。
The city's circumvallation was finally breached after a long siege.
城市的包围圈终于在长时间的围困后被攻破了。
The enemy's attempt to breach the circumvallation ended in failure.
敌人试图突破包围圈的努力以失败告终。