shift pulse

例句：

1. 1. The heart's shift pulse is a sign of life.
   心脏的脉动是生命的迹象。
2. 2.The rhythmic shift pulse of the waves was soothing to the eye.
   海浪的节奏性的脉动对眼睛来说是舒缓的。
3. 3. The shift pulse of the ocean can be felt from the shore.
   海洋的脉动可以从岸边感受到。