expiratory flow retard

例句：

1. 1. The patient's breathing flow was significantly reduced during the operation.
   手术期间，患者的呼吸流量显著减少。
2. 2. The researchers found that the flow of blood through the capillaries was retarded in response tothe cold.
   研究人员发现，在寒冷条件下，毛细血管中血液流动的速度减慢了。
3. 3.The elderly often experience a slower flow of blood, which can lead to conditions like arteriosclerosis.
   老年人往往血流速度较慢，这可能导致动脉硬化等疾病。