常见例句用作名词 (n.)The sentinel was stationed on a hill.哨兵被派在山上站岗。The press is a sentinel of our liberty.新闻界是捍卫我们自由的卫兵。At either end of the bridge a sentinel stood with rifle at ready.桥的两头各有一名哨兵,荷枪实弹守卫着。 返回 sentinels