senior to比 ... 年长senioradj.地位较高的；高级的；年长的；资深的n.上司；年长者；长辈；大四学生senior tourism study老年人旅游研究senior administrator高级管理人员Senior undergraduate高年级学生senior little league青少棒赛Senior Configuration可选配置Senior Naval Officer海军高级军官senior commercialist高级商务师Senior Admin Officer高级行政员senior managers' paysenior three physics高三