[mass noun]the action of remedying something, in particular of reversing or stopping environmental damage (尤指矫正对环境的破坏)矫正;补救 ■the giving of remedial teaching or therapy 补习;治疗
派生 remediate verb 语源
early 19th cent.: from Latin remediatio(n-), from remediare 'heal, cure' (see remedy)