细动脉

例句：

1. 1. The small arteries in the skin provide blood with oxygen.
   皮肤中的细小动脉为血液提供氧气。
2. 2.The doctor examined the patient's heart and found a small artery blocked.
   医生检查了病人的心脏，发现一条细小的动脉被阻塞了。
3. 3. The surgeon repaired the damaged artery to save the patient's life.
   外科医生修复了受损的动脉，挽救了病人的生命。