expiratory retard

例句：

1. 1.The patient's breathing rate has slowed down significantly.
   患者的呼吸速率显著减慢。
2. 2. During the exercise, the person's breathing rate was temporarily retarded.
   在运动过程中，那个人的呼吸速率暂时减慢了。
3. 3. The elderly often experience a slower breathing rate as they age.
   随着年龄的增长，老年人的呼吸速率通常会减慢。