Treadmills can guarantee a consistent workout in all seasons .

跑步做运动可以保证一贯任何季节.

Take a good look and see if there are enough treadmills , elliptical trainers and other popular machines to go around .

仔细观察这里是否有足够的踏车，简要的教员和其他流行设备。

High speed cineradiography ( making moving pictures from x-rays ) , plus treadmills and a wind tunnel gave him new insights into how animals move : walking , trotting , galloping , flying and brachiating ( the way monkeys swing ) .

高速的放射性电影照相术（用x射线拍摄电影）加上踏车和风洞使他找到了研究动物运动方式的新角度：散步、慢跑、疾驰、飞翔以及用臂膀吊荡树枝前进（猴子荡来荡去的方式）。

Why are treadmills becoming so popular ?

为什么跑步变得如此受欢迎？

Their focus is solely treadmills .

其重点是纯粹跑步.