跳动声

例句：

1. 1. His heart was pounding with excitement.
   他的心脏因兴奋而怦怦直跳。
2. 2. Her fingers throbbed with pain.
   她的手指因疼痛而颤抖。
3. 3. The music filled the room with a soothing thrum.
   音乐使房间充满了舒缓的颤动声。