subserous layer

例句：

1. 1. The doctor removed the tumorfrom the patient's subserouslayer.
   医生从患者的皮下层取出了肿瘤。
2. 2. The scientist studied the structure of thesubserous layer in the skin.
   科学家研究了皮肤中皮下层的结构。
3. 3. Thesurgeon performed a subserous layer biopsy on the patient.
   外科医生对患者进行了皮下层活组织检查。