follower arm

例句：

1. 1. The scientist used a follower arm to help her move around the lab.
   科学家使用一个跟随者手臂来帮助她在实验室里移动。
2. 2.The robot's follower arm was designed to assist with tasks that require precision movements.
   机器人的跟随者手臂被设计用来执行需要精确动作的任务。
3. 3. The research team used a follower arm to collect data from various locations in the field.
   研究团队使用一个跟随者手臂从田野的不同位置收集数据。