capillary stage

例句：

1. 1.The study of capillaries is crucial for understanding the functioning of the human body.
   研究毛细血管对于理解人体功能至关重要。
2. 2.During the capillary stage, blood cells are rapidly transported through the tiny capillaries.
   在毛细血管阶段，血液细胞通过微小的毛细血管迅速运输。
3. 3. The capillary stage is a critical period in the development of many diseases, where the immune system must work efficiently to prevent infection.
   毛细血管阶段是许多疾病发展的关键时期，免疫系统必须高效工作以防止感染。