Yoga has become popular as a form of exercise.

瑜伽作为一种锻炼方式变得非常受欢迎。

Orientals often practice martial arts as a form of exercise.

东方人经常练习武术作为一种锻炼方式。

Walking is also a form of exercise.

散步也是一种运动。

When I started fencing , it was just a form of exercise.

刚开始时我仅仅当它是一种锻炼。

Some emphasize the slow movements as a form of exercise, while others practice it as a martial art.

一些人将其看做一种慢动作的练习方式，但是另一些人将其当做武术来练。

Among the special advantages of walking, I think the most important benefit is walking offers a form of exercise within the reach of nearly everyone.

走路这种锻炼方式可以达到与其他锻炼方式相同的效果（包括生理和精神上），还可以有很多特殊的好处。