pulse narrowing

例句：

1. 1. The patient's pulse was significantly narrower than normal.
   病人的脉搏明显比正常时窄。
2. 2. During the operation, the surgeon carefully monitored the patient's pulse narrowing.
   手术中，外科医生仔细监测着患者脉搏变窄的情况。
3. 3. The medication effectively narrowed the patient's pulse.
   这种药物有效地使患者的脉搏变窄了。