aortal

例句：

1. 1. The heart's aorta is responsible for delivering oxygenated blood to the rest of thebody.
   心脏的主动脉负责将氧气丰富的血液输送到身体其他部位。
2. 2. Aortic valve stenosis is a condition that causes narrowing of the aortic valve, which can lead to heartfailure.
   主动脉瓣狭窄是一种状况，导致主动脉瓣变窄，可能导致心脏病发作。
3. 3. During surgery, doctors often need to bypass the aorta to access the heart.
   在手术中，医生经常需要绕过主动脉来接触心脏。