Sometimes, that gel was stuck in bones or bits of wood that had already started to fossilize, so the silica trapped in there formed opals in the shape of those organic structures.

有时，种凝胶留存在骨骼中或是少量已经开始变成化石里，所以保留在那里二氧化硅构成了那些有机结构欧泊。

While Europe's monarchies will no doubt be smart enough to survive for some time to come, it is the British royals who have most to fear from the Spanish example.

尽管欧洲君主们毫无疑问将很明智地留存一时，但看到西班牙皇室下场，最担惊受怕还是英国皇室。

But there is something left in my head.

但我心中总留存着某些感觉。

We shall make this a glorious, an immortal day.

今天将留存于，光荣不朽一天。

And this month, a new staffing challenge.

个月，又一个影响员工留存因素出现了。

And here we've got some incredible posters that have been left over since 1936.

还有一些让人难以置信，从1936年留存至今海报。

The question is what do we want police to be able to know about us considering most of us really haven't done anything that warrants our information being in law enforcement databases.

问题是考虑到我们大多数人确实没能做任何能确保我们信息只留存于执法数据库中事，我们到底希望警察能够了解我们哪些事呢？

There are memories of Cairo's rich past on every corner.

开罗每个角落都留存着丰富记忆。

I remember going to visit my grandmother and she like saved all my press clippings and she'd cut out my worst-dressed list.

我记得去看我奶奶时，她留存了我所有新闻剪报，她还剪下了我个最失败穿搭。

Atlit-Yam was a village on the coast of the eastern Mediterranean, which seems to have been thriving until around 7,000 BC.

Atlit-Yam是地中海东部一个村庄，看起来一直留存到公元前7000年。

What do you hope will be Jennifer Lopez's legacy?

你希望詹妮弗·洛佩兹留存成就是什么？

The Clark Fork will always bear the marks of what happened there.

克拉克福克河也会永远留存着过往生态破坏印记。

And now, as I struggle to keep hold of the sari, the rituals and the memories around it, I fear losing the world it signifies-and her, too.

而现在我尽力想要留存对纱丽相关礼仪记忆，我害怕失去纱丽所象征世界，还有我妈妈。

The pathogens stay in their bodies, far away from us humans.

病原体留存于其体内，远离着我们人类。

So how do companies get retention rates up?

那么，企业如何提高客户留存率呢？

Still you'll have some caffeine in your system for hours after that.

在那几小时后你体内还会留存一些咖啡因。

Retention is the latest area to require attention.

留存率是最近需要关注领域。

You'll work harder and your results will last longer if you're challenged.

如果你遇到了挑战，你就会更加努力，你成果也会留存更长时间。

And this is something that has been going on with our people since time Immemorial.

自古以来，我们便一直留存该活动。

The Ion Mosul Foundation is recording videos of witness testimonies of what life was like under ISIS rule, which will then be archived in the public library.

Ion摩苏尔基金会正在录制目击作证题视频，记录ISIS统治下生活，它们将会被留存在公共图书馆中。