v (1)学习，研究(give one's time and attention to gain knowledge of a subject)[I，I+prep，I+to-inf，T+n，T+wh]： ～by oneself 自学;He is～ing at home. 他正在家里学习。～for exams/the bar/a degree 为考试而学习/学习当律师/读学位;～with one of the great masters at the conservatory 在音乐学院和最伟大的大师之一一起研究;～to be a doctor/a teacher 学习从医/教;～French/engineering/medicine 学习法语/工程学/医学;～the structure of the atom/needs of all the children 研究原子结构/所有孩子们的需求;～how children learn to speak 研究儿童如何学习说话;〖同〗investigate，examine，consider，explore;

(2)仔细看，观察(examine carefully or close-ly)[T+n，T+n+prep]：～a road-map/the railway timetable/a painting 仔细查看道路图/列车时刻表/油画;～sb's face with interest 有兴趣地端详某人的脸;～the directions for putting up the tent 仔细查看搭帐篷的说明;〖同〗examine，survey，review;

n (1)学习，求学(act or process of studying;pursuit of knowledge)[U;C，pl]：long hours/years of～数小时/多年的学习;be fond of～喜爱学习;devote oneself to～专心学习;give all one's leisure/one's spare time to～(one's～ies) 用全部闲暇/业余时间来学习;begin one's～ies at university 开始大学的学习;spend the entire afternoon on～整个下午都用于读书;take up the～of Italian 开始学习意大利语;～groups/time 学习小组/时间;〖同〗learning，education，instruction;

(2) 1)研究(成果) (sth that is the result of the work on a particular subject)[C]：a feasibility～可行性研究;my～ies show that... 我的研究显示……;interrupt sb's～ies 打断某人的研究;make a～of ancient history/the country's foreign trade 研究古代史/该国的外贸;present/publish a～of dreams 提交/发表一篇研究梦的论文;〖同〗investigation，inquiry，research，examination，search;2)学科(branch of knowledge;subject studied)[C，通常pl]：Biology is the～of living things. 生物学是一门研究生物的学科。History，music and law are～ies. 历史、音乐和法律是不同的学科。scientific～ies 科研课题;

(3)书房(room in a house for reading and writing)[C]：The boy has a little～. 那个男孩有个小书房。In this college each student has a～. 在这个学院里，每个学生都有一个书房。The dictionary is in the～. 词典在书房中。

(4)习作;练习曲(artistic or musical composition intended as an experiment or exercise)[C]：a～hall 练习厅;a～of a flower 一幅画花的习作;a～in black and white 一幅黑白画习作;a book of～ies for the piano 一册钢琴练习曲;

【辨异】study与 consider、reflect和weigh的区别见CONSIDER。