pulsating weld

例句：

1. 1. The heartis pulsating with excitement.
   心脏在激动地跳动。
2. 2. The blood vessels arepulsating with life.
   血管中充满了生命活力。
3. 3. The pulse in her wristwas pulsating rapidly.
   她手腕上的脉搏快速跳动。