This is a popular book introducing the principles of relativity.

In 1915, Einstein developed the theory of gravity called General Relativity.

在1915年, 爱因斯坦发展了广义相对论引力理论.

We owe the discovery of the general theory of relativity to Einstein.

我们将一般相对论的发现归功于爱因斯坦.

Criminal informations were formerly filed ex-relation of an individual known as the relator.

从前刑事检控被作为某个已知的有关人的某个人的“依据告发”.

Failed to relaunch setup. Terminating.

未能重新启动安装程序. 正在终止.

Massage is used to relax muscles, relieve stress and improve the circulation...

按摩可以使肌肉放松，缓解压力和促进血液循环。

Allow your muscles to relax completely.

让你的肌肉完全放松。

I'm going to spend the weekend just relaxing.

这个周末，我什么也不干，就是休息。

The massage relaxed my tense back muscles.

按摩使得我背部紧张的肌肉松弛下来。

Once out of danger, he started to relax.

一脱离危险,他就开始放心了。

It'seems to me they still have some fight left in them. We shouldn't relax our vigilance.

他们余勇可贾, 我们不能放松警惕.

Just relax and enjoy the movie.

休息休息，看看电影吧。

I didn't know what I had expected of him , and I had taken no chances with him, but now I found that I could relax a little.

起初我摸不清他的底,因此对他一直存有戒心, 而我现在可以放心一些了.

For the first time since his arrival he relaxed slightly...

自从他来了之后这是他第一次稍微放松一点儿。

He relaxed his grip on her arm.

他本来抓着她的胳膊，现在松开了手。

Relax! Everything's fine.

放松点！一切都很好。

How much can the President relax his grip over the nation?...

总统可以对国家的控制放松到什么样的程度？

I ought to relax and stop worrying about it...

我应该放松一下，不要再担心它了。

Relax! Everything will be OK.

别着急！一切都会好的。

(figurative)The dictator refuses to relax his grip on power.

独裁者拒绝放松对权力的控制。

Gentle exercise can relax stiff shoulder muscles.

和缓的运动可以使僵硬的肩部肌肉放松。