ramparts

n.

（城堡等周围宽阔的）防御土墙( rampart的名词复数 )；防御，保护；

1. They had been the great rampart of the colony on the North.
   他们一向是北部殖民地的坚强保垒。
2. The rampart was destroyed totally.
   壁垒被彻底摧毁了。
3. Perhaps the tower is part of the rampart of the city.
   这城楼或许就是城墙的一部分。

Ramparts
Ramparts
Fortress WHO: breaching the ramparts for health's sake
Pronival (protalus) ramparts. A review of forms, processes, diagnostic criteria and palaeoenvironmental implications
Predicted disappearance of coral‐reef ramparts: a direct result of major ecological disturbances
Rock glaciers, protalus ramparts and related phenomena, Rondane, Norway: a continuum of large‐scale talus‐derived landforms
Protalus ramparts and the altitude of the local equilibrium line during the last glacial stage in Bokspruit, East Cape Drakensberg, ...
The characteristics and significance of some lateglacial protalus ramparts in upland Britain
Organic electroluminescent display panel with projecting ramparts and method for manufacturing the same
Organic electroluminescent display panel having a plurality of ramparts formed on the first and second bus electrodes