capillary depression

例句：

1. 1. The patient's capillary depression was significantly improved after treatment.
   治疗后，患者的毛细血管凹陷明显改善。
2. 2. The doctor noticed a slight capillary depression on the patient's forehead.
   医生注意到患者额头上有轻微的毛细血管凹陷。
3. 3. The study found that capillary depression can be a sign of poor blood circulation.
   研究发现，毛细血管凹陷可能是血液循环不良的迹象。