pulse delay time

例句：

1. 1. Thedoctor measured the patient's pulse delaytime to determine if he was having aheart attack.
   医生测量了患者的脉搏延迟时间，以确定他是否正在经历心脏病发作。
2. 2. During the race, therunner's heartbeat delay time increasedsignificantly.
   在比赛中，运动员的脉搏延迟时间显著增加。
3. 3. The scientist discovered that theheartbeat delay time of the new drugwas shorter than that of the old one.
   科学家发现，新药的脉搏延迟时间比旧药短。