pulse velocity

例句：

1. 1. The doctor measured her pulse velocity to check her heart condition.
   医生测量了她的脉搏速度来检查她的心脏状况。
2. 2.During exercise, the runner's pulse velocity increased significantly.
   在运动期间，跑步者的脉搏速度显著增加。
3. 3. Pulse velocity is an important indicator of blood flow and oxygen delivery to the body.
   脉搏速度是衡量血液流动和向身体输送氧气的重要指标。