n reading carefully with intent to remember
v consider in detail and subject to an analysis in order to discover essential features or meaning
v be a student; follow a course of study; be enrolled at an institute of learning
v give careful consideration to
v be a student of a certain subject
v learn by reading books; I must hit the books now"
v think intently and at length, as for spiritual purposes
v. 学习；研究（study的ing形式）