单词：heart rate
heart rate的用法和样例：
例句
- This drug will retard your heart rate.麻药将使你心率缓慢。
- The usual heart rate of sportsman is lower.运动员通常心率较低。
- She keeps her face impassive, though her heart rate has increased.她努力保持面无表情，但她的心律却加快了。
- Organic heart disease is associated with arrhythmia and increased risk of death.器质性心脏病可伴随心律不齐和死亡危险增加。
- pulse rate脉膊率
- pulse脉搏
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