Mechanized farming works best in the flat bottom valleys of the lowland.

机械化农具最适宜在山谷低地平坦处工作。

The outstanding features of the plains are the river valleys.

它突出特点就是河流广布。

It makes wide bends or meanders through low valleys to the plains where rice grows.

河水变宽慢慢地穿过低谷，到了长着稻谷平原。

Sometimes the river becomes a waterfall and enters wide valleys.

有时，这条河形成瀑布进入宽阔峡谷。

They happen to be most pronounced in risky habitats, like river valleys or gorges.

它们碰巧成为了在河谷或峡谷等危险栖息地生活最广为人知动物。”

It was basically just a dry valley.

只是个干涸山谷。

But in the world beyond these great river valleys, the story was different.

但世界上除了这些伟大河谷外, 也有着截然不同故。

We can break the mountains apart; we can drain the rivers and flood the valleys.

我们可以开山填河，淹没山谷。

So, for every valley there is a peak, and for every peak, a valley.

对应原声谷，新声会有一个峰，而对应其峰，新声会有一个谷。

When all of that water is funneled into rivers creeks, and even the valleys.

一旦所有雨水汇入河流小溪甚至山谷。

The rivers shaped the surface of the Earth, cutting their channels, furrowing out valleys.

河流改变了地球表面，刻削着河道并冲刷出山谷。

When all of that water's funneled into rivers, creeks and even the valleys.

当所有水都流入河流、小溪甚至山谷。

On the warmer plains and valleys that surround the plateau, grazers are on the move.

在高原周围温暖平原和山谷, 食草动物都在前进。

We find them in the stream valleys.

我们在河谷里发现过它们。

Some of these people have had tough valleys.

很多人都经历过人生低谷。

Their voices echoing through the mountains and valleys.

他们声音在群山和山谷间回荡。

Meanwhile, the spooked herds stampede up the valley.

与此同时，受到惊吓兽群争纷逃离山谷。

You can see the lilac valley from our balcony.

从我们阳台上就能看见丁香谷。

He was surrounded by green valleys, mountains and rivers.

他四周有绿色山谷、山脉和河流。

Following the adults, the kids finally reach the valley.

跟着成年羱羊，小羊们终于到达山谷。