There is no change in the motion of a body unless a resultant force is acting upon it.

除非有一合力作用于物体上，否则物体的方向是不会发生变化的。

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Using easein, easeout, or easeboth will result in the motion being slower at the beginning, end, and beginning and end of the animation, respectively.

通过使用easein、easeout或easeboth，可以分别产生在动画开始或结束较慢或者在动画的开始和结束都较慢的效果。

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I have set the wheels in motion to sell their Arizona ranch.

我已着手出售他们在亚利桑那州的大农场。

《柯林斯英汉双解大词典》

He was seventy-two years old. Cecil B.DeMille,Samuel Goldwyn and Louis B.Mayer are remembered for their excellent movies and their continuing influence in the motion picture industry.

VOA: special.2009.05.31

And,you may or may not be intested in the motion, as I am, but you might say: what is the signal good for?

对于情感来说，你们或许有兴趣，也有可能和我一样觉得没意思，但你会问，这种信号什么用处？

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

I am not only going to say that we have quantization in the motion.

我并不是说,我们只在概念上有量子学。

麻省理工公开课 - 固态化学导论课程节选

The song featured in the motion picture of the same name was nominated for an Academy Award.

NPR: Rock 'n' Roll Singer Gene Pitney

In fact, scientists only know they exist because of the "wobble" detected in the motion of the stars they're orbiting.

CNN: Astronomers spy new neighbors outside solar system

For those of you interested in the motion-controller based swordfighting game, now would be a good time to kick in.

FORBES: Move up http://i.forbesimg.com t Move down