常见例句用作名詞 (n.)The sentinel was stationed on a hill.哨兵被派在山上站崗。The press is a sentinel of our liberty.新聞界是捍衛我們自由的衛兵。At either end of the bridge a sentinel stood with rifle at ready.橋的兩頭各有一名哨兵,荷槍實彈守衛著。 返回 sentinels