地质形迹表明，大多数断层有反复运动。

Geologic evidence shows that most faults have had repeated movement on them.

youdao

反复运动使他的关节发炎。

The repetitive motion inflamed her joint.

youdao

这项技术之所以能使信息如此长时间地保存是由于铁粒子的反复运动不会磨损毫微管的管壁。

What makes the technique so durable is that the particle's repeated movement does not damage the walls of the tube.

youdao

These memo-ons just go back and forth.

这些，memo-ons来回反复运动。

麻省理工公开课 - 固态化学导论课程节选