记者在会上了解到，血管病是中国第一大死亡原因，主动脉作为人体各个器官的主干道，从心脏流向全身，担负着重要作用。
The reporter learned at the seminar that vascular disease is the number one cause of death in China, and the aorta plays an important role as the main artery for all organs and the heart.