Today, the treadmills are humming again.

如今，跑步机再次转动起来。

The volunteers were filmed walking on treadmills.

志愿者们在跑步机上行走，同时被拍摄下来。

The exercise group trained on treadmills for 8 weeks.

运动方案为跑台训练，持续8周。

It is fast treadmills on the playing field the hard way to achieve the goal.

它快速健身房在球场上的艰苦的方式去实现目标。

Also, keep in mind that those calories burned displayed on treadmills are not accurate.

还有，记住跑步机上显示的消耗掉的卡路里的量是不准确的。