This situation is easily remedied.

这种情形易于补救。

This mistake must be remedied.

这一错误必须得到纠正。

The mistake must be remedied immediately.

该错误必须要马上纠正。

The defect in the drainage must be remedied.

这排水系统的缺陷该设法补救。

In the cinema the medicine immediately remedied the medium.

在电影院里这种药立刻拯救了中间人。