aimed at solving a problem, especially when this involves correcting or improving something that has been done wrong 旨在解决问题的；补救的；纠正的 connected with school students who are slower at learning than others （为后进学生）补习的，辅导的 remedial education 补习教育 a remedial class 补习班 She teaches remedial English. 她教补习英语。
Word Originmid 17th cent.: from late Latin remedialis, from Latin remedium ‘cure, medicine’, from re- ‘back’ (also expressing intensive force) + mederi ‘heal’.