ulnar veins

例句：

1. 1. The ulnar veins are responsible for carrying blood from the hand to the heart.
   尺静脉负责将血液从手部输送到心脏。
2. 2.The ulnar veins were damaged during the accident, which affected her ability to move her fingers.
   事故中尺静脉受损，影响了她手指的移动能力。
3. 3.The doctor removed the ulnar veins and performed a skin graft to repair the wound.
   医生切除了尺静脉并进行了皮肤移植来修复伤口。