scotching of tread

例句：

1. 1.The dancer's scotching of tread was graceful and fluid.
   舞者的踏步既优雅又流畅。
2. 2.He took a deep breath and began to scotching of tread towards the finish line.
   他深吸一口气，开始向终点线迈进。
3. 3. The marathon runner's scotching of tread was impressive, despite the long distance.
   马拉松跑者的步伐令人印象深刻，尽管距离很长。