| 释义 |
bone up on sth to learn as much as you can about a subject, because you need the knowledge, for example for an examination〔为考试等〕钻研，苦读:•I have to bone up on criminal law for a test next week.我得苦读刑法来应付下个星期的考试。ˌbone ˈup on sth(informal)to try to learn about sth or to remind yourself of what you already know about it钻研学习；复习She had boned up on the city's history before the visit.她在前往这个城市之前先对它的历史研究了一番。 |