/rɪ'mi:dɪəl; rɪ`midɪəl/
adj [attrib 作定语]
1 providing, or intended to provide, a remedy or cure治疗的; 纠正的; 矫正的; 补救的
*undergo remedial treatment/therapy, eg for backache 接受缓解治疗[疗法]（如治疗背痛）
* take remedial measures against unemployment 采取对付失业现象的补救措施.
2 (of education) for slow learners or pupils suffering from disadvantages （指教育）（为後进学生提供）辅导的, 补习的
*remedial classes, lessons, groups, etc 补习班、课、小组等
* a remedial French course/a course in remedial French 法语补习课程.

adj
remedial course/class/teacher etc
a special course etc that helps students who have difficulty learning something
intended to improve something that is wrong
　Some remedial work needs to be done on the foundations.
intended to cure a problem with someone's health
　remedial mental health therapies