坏死组织

例句：

1. 1.The patient's leg was badly affected by necrosis.
   患者的腿严重受到了坏死的影响。
2. 2. The disease is characterized by rapid necrosis of the skin.
   这种疾病的特点是皮肤迅速坏死。
3. 3. The necrotic tissue has to be removed surgically.
   坏死的组织必须通过手术去除。