pointer counterbalance

例句：

1. 1.The pointer on the clock moved to 3:00.
   时钟上的指针移到了3点。
2. 2. He pointed at the map with his finger.
   他用指头指着地图。
3. 3.The pointer of the scale is pointing to the right.
   刻度盘的指针指向右边。