burr and chip relief

例句：

1. 1.The patient's condition improved significantly after the surgery.
   手术后，患者的病情显著好转。
2. 2. The doctor advised him to take a break from his work for a while.
   医生建议他暂时停止工作休息一下。
3. 3. The engineer designed a new model to relieve the pressure on the gears.
   工程师设计了一种新型模型来减轻齿轮的压力。