v.当家庭教师( tutor的过去式和过去分词 )；任大学导师；任课； 双语释义：n.(名词)[C](大学的)指导教师 university teacher who supervises the studies of a student[C]家庭教师,私人教师 private teacher, especially one who teaches a single pupil or a very small group英英释义： tutorn.a person who gives private inst