Coursenn.库尔森coursen.课程；讲座；过程；路线；一道(菜)v.跑过，穿过；追赶；快跑courses' systemscourse construct课程建设courses teaching课程教学course of repair修复过程course objective课程目标course tutorials课程教学course viewpoint课程观course alignment航线校直course documents课件course specialty课程特色