柯林斯词典sentry /ˈsɛntrɪ/ (sentries) 1. N-COUNT A sentry is a soldier who guards a camp or a building. 哨兵; 警衛 The sentry would not let her enter. 警衛不會讓她進來。 返回 sentry剑桥词典a soldier who guards a place , usually by standing at its entrance 崗哨；哨兵 My squad were on sentry duty last night . 我的班昨天晚上站崗放哨。 返回 sentry