gray induration

例句：

1. 1. The patient's condition was described as gray induration.
   患者的病情被描述为灰色不定型。
2. 2. The pathologist found no signs of gray induration in the tissue sample.
   病理学家在组织样本中没有发现灰色不定型的迹象。
3. 3.The diagnosis of this condition requires a thorough examination to rule out gray induration.
   这种病症的诊断需要彻底检查，以排除灰色不定型的可能性。