venine

例句：

1. 1. Blood flows through the veins in our arms and legs.
   血液在我们的手臂和腿部的静脉中流动。
2. 2.The doctor examined her venous system for signs of infection.
   医生检查了她的静脉系统，以寻找感染的迹象。
3. 3.Veneers are used to repair damaged teeth and improve their appearance.
   贴面用于修复受损的牙齿并改善其外观。