heartbeat

英文解釋：

名詞 heartbeat:

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

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相關對話：

1. Although there was still a faint heartbeat, he was to all intents and purposes dead.
   他雖然仍有隱隱心搏，但從身體各方面看已經死亡。
2. An irregularity in the force or rhythm of the heartbeat.
   心律失常不規則的心跳強度或節奏