coronary groove

例句：

1. 1.The coronary artery is the main blood vessel that carries oxygenated blood to the heart.
   冠状动脉是输送氧气化血液到心脏的主要血管。
2. 2. The coronary artery has a narrowing in the middle, which can lead to a blockage.
   冠状动脉中间有一个狭窄，可能导致阻塞。
3. 3.The coronary artery may be damaged by atherosclerosis, leading to heart attacks.
   冠状动脉可能因动脉硬化受损，导致心脏病发作。