血管体腔

例句：

1. 1. The heart is a complex organ with many blood vessels and a large vascular system.
   心脏是一个复杂的器官，有许多血管和庞大的血管系统。
2. 2. The scientist discovered a new way to treat cancer by targeting the vascular system.
   科学家发现了一种治疗癌症的新方法，通过靶向血管系统。
3. 3. The surgeon removed the tumor from the patient's vascular system.
   外科医生从患者的血管系统中移除了肿瘤。