footrill

例句：

1. 1. The sound of footrills echoed through the forest.
   森林里传来了脚步声。
2. 2.She heard the footrills of her dog as she walked down the street.
   她走在街道上时听到了狗的脚步声。
3. 3.The footrills of the wind could be heard faintly in the distance.
   风的脚步声在远处可以听到。