节疤

例句：

1. 1. He hada scar on his left arm from theaccident.
   他从事故中左臂上留下了疤痕。
2. 2. The scar on her face is visibleeven in the dark.
   她脸上的疤痕即使在黑暗中也很明显。
3. 3. She carefully removed theold scar with tweezers.
   她用镊子小心翼翼地去掉了旧的疤痕。