pulsation

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英文解釋：

名詞 pulsation:

1. (electronics) a sharp transient wave in the normal electrical state (or a series of such transients)
   同義詞：pulsing, pulse, impulse
2. a periodically recurring phenomenon that alternately increases and decreases some quantity
3. the rhythmic contraction and expansion of the arteries with each beat of the heart
   同義詞：pulse, heartbeat, beat

例句：

1. A single complete pulsation of the heart.
   心搏一次完整的心臟跳動
2. A pulsation or throb.
   (心臟)悸動，搏動