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。

youdao

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。

youdao

It's not really a form of exercise, but I really enjoy stopping off at new locations and exploring the Queensland coastline by water.

这并不能算是真正意义上的锻炼，但我确实很喜欢中途停留在一个新的地点，然后沿海路探索昆士兰的海岸。

youdao

Another popular form of exercise is jogging,or running at a slow to medium speed.

VOA: special.2010.06.08

Mark has been training by swimming twice a week, a form of exercise which he said he finds "easier than running".

BBC: News

The Wii has less processing power and graphic sophistication than rival machines from Sony and Microsoft, but it has outsold them by a wide margin, owing to its ease, sociability, and accessibility, and also perhaps to the misconception that, say, Wii Tennis is a form of exercise.

NEWYORKER: Master of Play

Despite the low levels of walking reported, nearly all of those surveyed - 93% - agreed walking was a good form of exercise.

BBC: Quarter of adults walk just an hour a week, survey finds