coursesn.课程；路线（course的复数）coursen.课程；讲座；过程；路线；一道(菜)v.跑过，穿过；追赶；快跑course disposition课程设置course-selection网络选课course of exchange外汇兑换率,外汇行情表course exploration课程开发Course-Education课程教学course of politics大中学政治课course timetabling排课course perspective学科视野course of lectures讲座courseconstruction课程构建