remedial

Students who fail the initial screening must take remedial reading classes to catch up with their peers.

(Chinese) 未能通过初步筛选的学生必须参加补救性阅读课，以赶上同龄人的进度。

The government is taking remedial action to clean up the river after the industrial waste spill.

(Chinese) 在工业废物泄漏后，政府正采取补救行动来清理河流。