Circulus arteriosus iridis major

例句：

1. 1.The major arteries of the heart are responsible for delivering blood to the body's tissues.
   心脏的主要动脉负责将血液输送到身体组织。
2. 2.The surgeon performed a successful surgery on the patient with the major artery repaired.
   外科医生成功地为患者进行了手术，修复了主要的动脉。
3. 3. The study focused on the role of the major arteries in the regulation of blood flow.
   该研究关注主要动脉在调节血流中的作用。