pulse-rate metre

例句：

1. 1. This pulse-rate metre is used to monitor the heart rate of patients.
   这个脉搏计用于监测患者的心率。
2. 2. The doctor prescribed a medication for her high blood pressure, which can be measured using a pulse-rate metre.
   医生为她开了一种降压药，可以通过脉搏计来测量血压。
3. 3.The nurse checked her pulse and recorded it on the pulse-rate metre before administering medication.
   护士检查了她的脉搏，并在脉搏计上记录了数据，然后给她服药。