And this can come at a very steep human cost.

这可能会带来非常高昂的人力成本。

There are several very steep and narrow roads, called " Passes, "

山中有几条很陡峭狭窄的道路，当地人称为“通道”。

It makes its way up and down the face of very steep rocks.

它喜欢在岩壁上安家，因为它特有的杯状而尖利的蹄子让它很适应居住于此。

Imagine you are explaining how to park a car on a very steep hill.

想象一下，你正在解释如何在非常陡峭的山坡上停车。

They climbed. It was a very steep path that zigzagged from side to side of the gully.

他们开始爬山。山道陡峭，在山谷两边拐来拐去。

There are several very steep and narrow roads, called Passes, which lead over these mountains into Italy.

山中有几条很陡峭狭窄的道路，当地人称为“通道”。这条路直通意大利。

Full of green forest, temperate rainforest, has lots of glaciers, rivers, lakes and the coast is very steep.

到处都是绿色的森林，温带雨林，拥有大量的冰川、河流和湖泊，海岸非常陡峭。

Here is an example. Imagine you are explaining how to park a car on a very steep hill.

如下例所示，想象一下你正在解释如何在陡峭的山坡上停车。

The sides of the mountains are very steep, sometimes well wooded to quite a height, but sometimes quite barren.

山崖十分陡峭，有时即便很高的地方也生长着树木，有时则相当贫瘠荒凉。

This new route, very steep and hence very arduous, quickly took us close to the surface of the sea.

好像不是走原来的路。这条新路很陡，因此：很难走，显然它是比较接近海面。

Many of the streets in San Francisco are very steep.

旧金山的许多街道都非常陡峭。

And that's going to actually lead to a very steep population crash in many ways.

这实际上会在很多方面导致非常急剧的人口崩溃。

A canyon, instead, has what we would call very steep sides on either side of the canyon.

相反，峡谷在峡谷的两侧都有我们所说的非常陡峭的两侧。

" Cliffs" (cliffs) are very steep, rocky sides of a mountain that go almost straight up and down.

“悬崖”（cliffs）是非常陡峭的岩石山坡，几乎笔直地上下。

It's got very steep sides with moors on the top and great deep hillsides with great big craggy rocks.

它的侧面非常陡峭，顶部有沼泽，还有巨大的深山坡和巨大的崎岖岩石。

(on camera): It's an 800-meter hike out of the crater, most of it up a very steep incline.

（在镜头前）：从火山口徒步 800 米，其中大部分是在非常陡峭的斜坡上。

One was Hell's Gate, which is a part of the Fraser river where the river just gets squeezed into these very steep, very narrow passages.

一个是地狱之门，它是弗雷泽河的一部分，河流被挤进这些非常陡峭、非常狭窄的通道。

I think what we're dealing with is whether we live in societies with a very steep social hierarchy like that, or a much shallower one like that.

我认为我们正在处理的是我们是否生活在这样的社会等级制度非常陡峭的社会中，或者像那样的社会等级制度要浅得多。

The slant was very steep and there were only a few blocks of wood nailed down, very far apart from each other, that the workmen used for footholds.

斜坡非常陡峭， 只有几块木头被钉了下来， 彼此之间的距离很远， 是工人用来落脚的。

Usually, a colonial has one or two stories – one or two floors – two levels, and very steep roofs;that is, roofs that come to a very sharp angle.

殖民地有一两层——一两层——两层，屋顶很陡，就是屋顶的角度非常清晰。