atrophic scar

例句：

1. 1. The patient's arm was covered in atrophic scars from years of neglect.
   病人的手臂上布满了多年忽视造成的萎缩疤痕。
2. 2.The doctor removed the atrophic scar and stitched it closed.
   医生切除了萎缩疤痕并缝合了它。
3. 3. The researcher found that atrophic scars could be reduced by proper nutrition and exercise.
   研究者发现，通过适当的营养和运动可以减轻萎缩疤痕。