in-service training course

• 进修班

in-service training course的用法和样例：

例句

1. Children who have completed the Junior Extension Course can further advance to this course.
   完成儿童音乐进修班的学童可继续升读儿童音乐高级班。
2. A refresher course on defensive methods for the coaches was presented before the award ceremony for the best coach.
   在授予最佳教练奖之前还举行了有关防守教程的进修班。