Swimming can help people to keep healthy.

游泳可以使人保持健康。

Fire keeps these forests healthy and vibrant.

它使这些森林保持生机与活力。

How else can we keep our eyes healthy?

还有其他什么能帮助保护眼睛健康的吗？

We need them to keep healthy.

我们需要他们来保持健康。

To keep yourself healthy and strong.

让自己保持健康和强壮。

We need to keep our distribution ecosystem healthy.

我们需要维持分流系统的正常运行。

They want to keep people healthy by providing toilets.

他们想通过提供厕所来保持人们的健康。

It’s about keeping our kids healthy and safe.

它关系着我们的孩子们的健康和安全。

Salt does our bodies good, and keeps them healthy.

盐对身体有好处, 能保持身体健康。

Eating lettuce keeps me healthy and I love singing opera.

吃生菜使我保持健康，我喜欢唱歌剧。