heartbeat

名词 heartbeat:

1. the rhythmic contraction and expansion of the arteries with each beat of the heart
   同义词：pulse, pulsation, beat
2. a very short time (as the time it takes the eye blink or the heart to beat)
   同义词：blink of an eye, flash, instant, jiffy, split second, trice, twinkling, wink, New York minute
3. an animating or vital unifying force

1. Although there was still a faint heartbeat, he was to all intents and purposes dead.
   他虽然仍有隐隐心搏，但从身体各方面看已经死亡。
2. An irregularity in the force or rhythm of the heartbeat.
   心律失常不规则的心跳强度或节奏

heart.beat

n.（名词）
A single complete pulsation of the heart.
心搏：一次完整的心脏跳动
A vital force or driving impulse:
重要的力量或推动力：
例句：
Broadway is the heartbeat of the New York City theater world.
百老汇是纽约戏剧界的中心