doctor /ˈdɔktə/ n.［c］医生；博 士(略作Dr.): call in a doctor 请医生；go and fetch the doctor去请医生；send for a doctor派人去请医生；an animal doctor 兽医；an army doctor军医；a beauty doctor美容师；a doctor of traditional Chinese medicine 中医；Doctor of Laws (Medicine, Science) 法(医、理)学博士； Philosophy Doctor/Doctor of Philosophy(Ph.D) （除医学、法学和神学以外的）博士（学位）：He earned a Ph.D. in physics from Northwestern University.他在西北大学获得了物理学博士学位。
doctorate /ˈdɔktərit/ n.［c］博士头衔：a doctorate in art history 艺术史博士学位He hasn't enough credits to get his doctorate.他的学分不够取得博士学位。
