pulsating welder

例句：

1. 1. The heart's pulsating rhythm is a sign of life.
   心脏的脉动节奏是生命的迹象。
2. 2. The ocean waves are pulsating with energy.
   海浪充满了能量。
3. 3. Her voice was pulsating with excitement.
   她的声音充满了兴奋。