每日的面部运动有助于保持皮肤弹性。

Daily facial exercises help to retain the skin's elasticity.

《柯林斯英汉双解大词典》

我经常做运动以保持健康。

I work out regularly to keep fit.

《牛津词典》

你应该多运动以保持精力充沛，才可以有效地工作。

You should exercise more so as to keep energetic and you can work efficiently.

youdao

But adding a constant velocity to objects does not change the fact that those which were maintaining constant velocity still maintain a constant velocity.

但是加上一个恒定速度并不会改变下述事实,即,那些正在匀速运动的物体,仍然保持匀速运动

耶鲁公开课 - 基础物理课程节选

One way to say it is, every body will continue to remain in a state of rest or uniform motion in a straight line.

另外一种说法是,任何物体都会继续保持静止,或匀速直线运动的状态

耶鲁公开课 - 基础物理课程节选

They'll keep trying to get it going, but maybe we should move on with our lives here while this is happening, and we'll click it back at the end, and if we have a nice set up at any point, I'll just stop and we'll go back and we'll look at it again.

它们会一直让它保持运动，但是或许我们应该,在这个过程中离开一会儿，我们在最后点击它，如果我们在每一个点,都有一个好的装置，我就会停止然后,返回再去看看它。

麻省理工公开课 - 化学原理课程节选