Venae scrotales anteriores

例句：

1. 1.The animal's veins are visible through the skin, providing a clear view of its anatomy.
   动物的静脉通过皮肤可见，清晰地展示了其解剖结构。
2. 2.The surgeon carefully dissected the tissue to expose the veins for repair.
   外科医生小心翼翼地解剖组织以暴露静脉进行修复。
3. 3. The veins were used as a guide in the surgical procedure.
   在手术过程中，静脉被用作导向。