I believe in keeping fit.

我认为健美很重要.

Swimming is a very good way of keeping fit.

游泳是很好的健身运动.

I always spend my time on swimming and keeping fit.

我常利用工余时间游泳和健身.

Being optimistic is the only secret of keeping fit.

乐观是养生的唯一秘诀。

There is nothing like walking as a means of keeping fit.

保健之道莫过于散步了.

So he can concentrate with them on keeping fit and healthy.

所以它要做的只是保证它们健康精壮。

Eating a lot of fruit and vegetables is one of the keeping fit.

吃大量水果和蔬菜时保持健康的秘密之一。

Timmy's cat is keeping fit. But she likes to chase fat rats.

Timmy养的小猫正在瘦身，可是她偏偏喜欢追逐胖老鼠。

In my eyes, we should build up an right attitude of keeping fit.

在我看来，我们应该建立一个正确的态度，保持健康。

In winter there is nothing like skating as a means of keeping fit.

冬天没有比溜冰更好的锻炼方式了。