heartbeat

n.

心跳，心搏；中心；感情；重要特征

复数：heartbeats

in a heartbeat马上；立刻

1. I can feel my heartbeat flunking out.
   我可以感觉出自己的心跳得厉害.
2. She felt her heartbeat quicken as he approached.
   随着他的走近，她觉得自己的心跳加速了。
3. New York is the commercial heartbeat of America.
   纽约是美国的商业中心。
4. The candidate said that he understood that heartbeat of the Hispanic community in California.
   这位候选人说他了解加利福尼亚州的西班牙语裔美国人社区的特点。

Heartbeat synchronized with ventilation
Heartbeat perception in panic disorder: a reanalysis.
1/f Fluctuation of Heartbeat Period
Multifractality in human heartbeat dynamics
Beyond 1/f: Multifractality in human heartbeat dynamics
Beyond 1/f: Multifractality in human heartbeat dynamics
Automatic classification of heartbeats using ECG morphology and heartbeat interval features.
Long-range anticorrelations and non-Gaussian behavior of the heartbeat
Quantification of scaling exponents and crossover phenomena in nonstationary heartbeat time series.
Precise and real-time measurement of 3D tumor motion in lung due to breathing and heartbeat, measured during radiotherapy