So when spacecraft are sent to other planets, scientists will look for layers of gypsum in hopes of finding similar fossils.

VOA: special.2010.05.25

They have found really no evidence of extensive conquest and destruction in thirteenth and twelfth century archaeological layers.

他们并没有找到大规模占领的证据,十三世纪摧毁和十二世纪考古层的证据。

耶鲁公开课 - 旧约导论课程节选

There's lipid chains in between so cell membranes are lipid rich layers that can exist in water.

脂质链在两者中间,所以细胞膜是富含脂类的膜层,并可以稳定存在于水中

耶鲁公开课 - 生物医学工程探索课程节选

It describes in detail the huge amount of work involved in carefully examining the many layers of tar and earth.

VOA: special.2010.04.07

This level of knowledge, these layers of knowledge, lead to very different play in the game.

这个是知识层面的问题了,这些知识层面会导致不同的结果

耶鲁公开课 - 博弈论课程节选

And,for people that have no written history, language can be one of the ways that that history can be gotten at just by looking carefully at the different layers in the language."

VOA: special.2009.12.02

So each of these complex, multi-layered sources in each one of them you can find different layers each one possesses its own emphases, its own agenda, its own perspectives. Sometimes they complement one another.

因此每一个复杂多层次的来源,你可以在每一个中找到不同层面,每一个都有它要强调的东西，它自己的安排，及它自己的视角，有时候它们相互补充。

耶鲁公开课 - 旧约导论课程节选

We'll see why they have to separate that in a minute, but they do that these lipid bi-layers solve that problem for them and they're self-assembled structures from these molecules called phospholipids.

我们马上会讲到为什么要把它们隔离开,脂质双层膜解决了这个问题,而这些自主装结构,就是由磷脂分子组成的

耶鲁公开课 - 生物医学工程探索课程节选