Grown-ups usually need 6-8 hours of sleep to keep active.

成年人通常需要6-8小时的睡眠来保持活力。

youdao

Eat well and keep active.

健康的饮食和保持积极向上的态度。

youdao

If you can't keep active, read the story of YOS, to activate yourself.

若你不能保持始终在行动，读读老鞋的奋斗史，以使自己行动起来。

youdao

I keep my mind active and coming to school three times a week, and walking up and down the steps, that kept me physically able."

VOA: special.2010.07.16

But it would keep the Confederate armies active for a few more weeks or months.

VOA: special.2009.12.17

Never before have there been so many options for gamers to keep active while still immersed in virtual worlds.

FORBES: Why Playing Video Games Might Make You Fat

"He's come up with exercises to keep active, " his lawyer told CNN.

CNN: STORY HIGHLIGHTS

The six declared candidates all keep active on Twitter, along with Facebook and a host of other sites, seemingly caught in an at-times comedic contest of who possesses the most online bona fides.

CNN: GOP warned to embrace technology or face 'suicide'