correct a defect

例句：

1. 1.The teacher corrected the student'smistake immediately after class.
   老师在课后立即纠正了学生的错题。
2. 2. Thecar mechanic corrected thetire pressure and checked the brakes.
   汽车修理工调整了轮胎气压并检查了刹车。
3. 3. Thewriter corrected his grammarerrors before submitting the manuscript.
   作家在提交手稿前纠正了他的语法错误。