柯林斯詞典sentry /?s?ntr?/ (sentries) 1. N-COUNT A sentry is a soldier who guards a camp or a building. 哨兵; 警衛(wèi) The sentry would not let her enter. 警衛(wèi)不會(huì)讓她進(jìn)來(lái)。 返回 sentry劍橋詞典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