noun 下载 🔗分享 護牆外坡, 外坡. The outer slope of a defensive or fortified ditch Examples : "The soldiers stood on the counterscarp, firing down into the ditch at the advancing enemy. " 士兵們站在護牆外坡上,向溝壕裡推進的敵人猛烈射擊。 architecture military 与AI对话词汇游戏阅读练习