Only philosophers embark on this perilous expedition to the outermost reaches of language and existence.

唯有哲家才会踏上此一危险的旅程，迈向语言与存在所能到的顶峰。

The Earth's outermost surface is made up of large tectonic plates.

地球层由大型的地壳板块构成。

In a metal atom, the outermost electrons are only weakly attached to the nucleus.

在金属原子中，层电子与原子核连接微弱。

Something unusual, however, occurs when you reach the outermost layer.

然而，当你到层时，不寻常的事情就发生了。

The motor cortex is a part of the brain's outermost layer, the cerebral cortex.

运动皮质是大脑层——大脑皮层的一部分。

Each kidney has three distinct layers, beginning with the outermost cortex.

每个肾脏有三个不同的层次，从层的皮层开始。

The targets of the testosterone are the outermost cells in the tubules, called spermatogonia.

睾酮的目标是小管中层的细胞，称为精原细胞。

The outermost fibrous layer is made of connective tissue.

层的纤维层由结缔组织组成。

Creepers have been planted to grow over the outermost branches.

分枝上种植了匍匐植物，蔓延生长。

And finally, the outermost layer of your blood vessels is the tunica externa.

后，你的血管的层是膜。

The outermost layer is either the adventitia, a thick fibrous connective tissue, or the serosa, a slippery serous membrane.

消化道的膜，既有结缔组织构成的纤维膜，也有光滑、分泌浆液的浆膜。

Those cells then grew in number to form organoids that resemble the cerebral cortex, the human brain's outermost layer.

之后这些细胞数量不断增加，从而形成类似于大脑皮层的类器官，大脑皮层是人类大脑的层。

The simple answer is that tattooing involves getting pigment deeper into the skin than the outermost layer that gets shed.

简单的回答是，纹身的过程是把颜料植入层可以脱落的皮肤之下。

Earth owes its youthful appearance to the fact that its outermost layer is constantly renewing itself — hiding its age.

地球之所以年轻，是因为它的层在不断地自我更新——掩盖它的年龄。

For romaine lettuce, cut eight centimeters off the bottom of a head of the plant, then remove its outermost leaves.

对于生菜来说，从植株头部的底部切下8厘米，然后去掉面的叶子。

At seven million to ten million kilometers above the sun's surface, we reach the corona, the outermost layer of the sun.

在太阳表面 700 万至 1000 万公里的上方，我们会到日冕，也就是太阳的层。

These findings usually occur in multiple lobes throughout both lungs, and more commonly affect the outermost or periphery of the lungs.

这些影像改变一般累及双肺多个肺叶，更常见于双肺围。

Yet, if the egg arrives fertilized, its outermost layer begins producing hCG.

然而，如果卵子受精了，其层开始产生人绒毛膜促性腺激素。

How can it be over 300 times hotter despite being the Sun's outermost layer?

怎么可能是太阳层，却比太阳其他部分热300多倍呢？

The outermost layer of the brain responsible for higher order brain functions.

大脑负责高级脑功能的层。