sphygmography

例句：

1. 1.The doctor used a sphygmogram to check her blood pressure.
   医生用血压计检查了她的血压。
2. 2.He performed the sphygmogram to measure her heart rate.
   他进行了血压测定来测量她的心率。
3. 3. She learned to use a sphygmogram at home for self-care.
   她学会了在家使用血压计进行自我护理。