ramparts
n. 壁垒；垒壁阵（rampart 复数）
v. （用壁垒）防护（rampart 的第三人称单数形式）
例句
A number of staircases ascend from the cobbled streets onto the ramparts.
若干个阶梯从鹅卵石街道向上延伸到城墙上。
《柯林斯英汉双解大词典》
People milled back and forth on the ramparts, cameras in hand, admiring the valleys below.
人们来来回回在壁垒间走着，手中握着个相机，欣赏着底下峡谷的美景。
13 consider well her ramparts, view her citadels, that you may tell of them to the next generation.
细看他的外郭，察看他的宫殿，为要传说到后代。
