prison /ˈprizn/ n.［c］监狱：go to prison入狱; be in prison在狱中，坐牢； put/cast sb.into prison把某人关进监狱；be sent to prison for life被判终身监禁

 prisoner /ˈpriznə/ n.［c］1. 囚犯，犯人：a fellow prisoner 囚友 A bad cold kept me a prisoner in my room.重感冒使我像犯人一样呆在屋里。 2.俘虏：prisoner of war 战俘；be taken prisoner被俘