superior thoracic artery

例句：

1. 1. The superior thoracic artery is responsible for delivering oxygenated blood to the heart.
   优越胸主动脉负责将氧气丰富的血液输送到心脏。
2. 2.During surgery, the surgeon must carefully dissect the superior thoracic artery to avoid damaging it.
   在手术过程中，外科医生必须小心地分离优越胸主动脉以避免损伤它。
3. 3. The superior thoracic artery is often used as a conduit for bypass grafts during heart surgery.
   优越胸主动脉常被用作心脏手术中搭桥的导管。