柯林斯詞典sentry box (sentry boxes) 1. N-COUNT A sentry box is a narrow shelter with an open front in which a sentry can stand while on duty. 崗?fù)? 哨所 返回 sentry box劍橋詞典a small shelter in which a sentry stands while guarding a place 崗?fù)?;哨?返回 sentry box