edge jitter

例句：

1. 1.The camera's edge jittered as it focused on the distant mountain.
   相机在对远处的山进行聚焦时边缘抖动。
2. 2.The edges of the map were jittering slightly as she moved her finger across them.
   当她用手指在地图的边缘滑动时，边缘开始轻微抖动。
3. 3. The car's engine was starting to jitter as it accelerated to full speed.
   汽车加速到全速时发动机开始出现抖动。