1、主修
... lying in wait 伏击，埋伏以出其不意 major in 主修 make a hole in vtr (puncture) 在…捅个洞，在…戳个洞 ...
2、专攻
... 主要的，基本的;深红的：cardinal 主修;专攻：major in 主管;负责;接管：take charge of ...
3、专研
... table tennis乒乓球运动 major in主修;专研 ITTF abbr.(=International Table Tennis Federation)国际乒乓球联合会 ...
4、主研
... 上清华大学go to Tsinghua University 主修;主研major in 女子单打选手a women's singles player ...
Major Resorts in Oceania大洋洲主要旅游胜地
major element in ash灰中常量元素
Major changes in life人生剧变
Major r in History主修历史
Major Points in Breeding饲养要点
major emphasis in learning学习重点
major earthquake in Wenchuan汶川大地震
Major Customers In Wenzhou主要客户在温州
Major Resorts in Africa非洲主要旅游胜地