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1·A growing keep-fit fever is sweeping over China.

中国掀起了一股健身热。

2·Unusual keep-fit fad: Snake yoga, is a new twist on the popular exercise class.

而与众不同的健康时尚——“蛇瑜伽”在流行的健身课程上是一种新的瑜伽形式。

3·Unusual keep-fit fad: Snake yoga,, is a new twist on the popular exercise class.

而与众不同的健康时尚--“蛇瑜伽”在流行的健身课程上是一种新的瑜伽形式。

4·One boyfriend even went on an arduous keep-fit regime in a bid to keep up with me.

一个男朋友甚至去参加很难的体操课，用这种方式来适应我。

5·I work out regularly to keep fit.

我经常做运动以保持健康。《牛津词典》

6·She tries to keep fit by jogging every day.

她每天慢跑以保持健康。《牛津词典》

7·I go swimming every day in order to keep fit.

我每天游泳以保持健康。《牛津词典》

8·To keep fit, you can switch to morning or lunchtime exercise.

为了保持健康，你可以转变到早上或午间锻炼。

9·She and her family bicycle to work, which helps them keep fit.

她一家人都骑自行车上班，这有助于保持健康。

10·This exercise program has worked miracles for those who want keep fit.

这个运动项目对那些想保持健康的人来说非常有效。

保健的

1·Food polysaccharide is now distinguished concern in pharmaceutical industry and is also a critical keep-fit food functional.

食用菌多糖是当今医药领域关注的热点，是一类非常重要的保健食品功能因子。