beat of pointer

例句：

1. 1. The heart's beat of pointer is a powerful indicator of health.
   心脏的跳动是健康的一个强有力的指示器。
2. 2. The rhythmic beat of the drums was almost as fast as the pointer's beat.
   鼓的节奏几乎和指针的跳动一样快。
3. 3. The beat of the music was so strong that it felt like the pointer was moving in sync with it.
   音乐的节奏如此强烈，以至于感觉指针在与之同步移动。