Now, if we look at a cross section of the lower leg, we can see that the fascia sends intermuscular septa that together with the interosseous membrane between the tibia and fibula divide the lower leg into four compartments

这是小腿的截，可以到肌间膜和胫腓骨之间的骨间膜将小腿分为四个腔隙。

It's about the size of a beer barrel, but is not circular, but elliptical.

如啤酒桶小的它截呈椭圆形。

Utilizing state-of-the-art, extreme ultraviolet lithography, 3 nanometer technology creates transistors that are so small, you could fit 2 million of them in the cross section of a human hair.

利用先进的极紫外光刻，3 纳米工艺可制造极小的晶体管，一根头发的横截就可容纳两百万个。

Now if we zoom into a cross-section of the rest of the gastrointestinal tract, anywhere from the esophagus till the anus, the walls are typically lined by the same four layers of tissue.

现在，我把其余消化道的横截来，即从食管到肛管的部分，其管壁通常都由相同的四层组织构成。

So it's about the cross section of your hair.

相当于一根头发的横截那么。

Last but not least, let's check out a root cross-section.

最后，但最重要的是，让我根的横截。

And just like doubling the height of a cube causes its cross-sectional area to get four times larger but its volume to get eight times larger, when an animal gets bigger, it does get stronger but it gets waaaay heavier.

就像一个立方体的高度增加一倍会导致它的横截积增加四倍，但体积却增加八倍，当一个动物变时，它确实会变得更强壮，但也会变得更重。

Now, if you look at the cross-section of the spinal cord, the white matter is on the outside and the gray matter is on the inside, and overall it looks like a butterfly.

现在来脊髓的横截，白质在外，灰质在里，总体上去像一只蝴蝶。

Look inside one and you'll see that they're composed of tubes inside of tubes, so that a cross-section of an osteon looks like the rings of a tree trunk.

里，你会到它是由管子里的管子组成的，所以骨头的横截起来像树干的年轮。

But here, a beam means a long, strong, squared-off piece of wood or metal that supports the roof or the floor of a building.

但在这里， “beam”指的是一根长而坚固、截呈方形的木材或金属， 用于支撑建筑物的屋顶或地板。

Even so, the finding fits with intuition. When you buy the equity market, you buy a cross-section of a country's real assets.

即便如此这一发现符合直觉。当你购买股票市场时，你购买的是一个国家实际资产的一个截。

The group is now pressing ahead with the first of the ten-metre sections needed to construct the bridges themselves.

该团队现在正在抓紧建造桥梁所需的10米长截的第一部分工程。

As it oscillates through the water, the glider also creates a two-dimensional cross-section map of the sea.

当滑翔机在水不断摆动时，它能够制造水下的二维截图。

Looking at a cross-section of a bone, there's a hard-external layer known as the cortical bone and a softer internal layer of spongy bone or trabecular bone that is composed of trabeculae.

来一根骨头的横截，这个硬质的外层叫皮质骨，而软一些的松质骨内层，由骨小梁构成。

The cross-sectional area of all humans, of 8 billion humans, is small.

所有人类（共 80 亿人）的横截积都很小。

So I think it's a pretty good cross section.

所以我认为这是一个非常好的横截。

Another possibility hints at ordinary collisions between isolated objects, like  red giants having large cross-sections.

另一种可能性暗示了孤立天体间的普通碰撞，例如红巨星因其较的横截而发生的碰撞。

In a cross-section of the population, consumption did not rise much with income.

在人口的横截分析，消费随收入增长的程度并不显著。

The cross section of a solenoid looks like this.

螺线管的横截起来是这样的。

It was just a cross-section of people.

这只是一个人群的截。