sentinelled

The sentinelled fortress stood imposingly on the hill.

用法提示：sentinelled 作为形容词修饰 fortress，表示‘有哨兵守卫的’。

The soldiers approached the sentinelled checkpoint cautiously.

用法提示：sentinelled 修饰 checkpoint，强调‘有哨兵把守的’。

A sentinelled perimeter ensured the security of the camp.

用法提示：sentinelled 修饰 perimeter，表示‘有哨兵守卫的’。