Mountains and valleys change.

陵谷变迁。

youdao

What I am really confused about is how the topography of the land, the mountains and valleys and stuff, affects precipitation.

真正使我困惑的是地形、山脉和山谷之类的因素是如何影响降水的。

youdao

He found mountains and valleys on the moon.

他发现了月球上的山川和峡谷。

youdao

This is how she described what she could see from that house on a hill: "The far-off mountains in all their grandeur, and the deep valleys, and widely extended plains, and more than all, that little village below, containing only a very few white houses, but more than those young eyes had ever seen."

VOA: special.2010.06.27

Suddenly, looking through the optic glass, one could see valleys, it seemed to have rivers, and there were mountains.

突然，通过厚厚的玻璃，我们可以看见，月亮上似乎有河流，高山。

耶鲁公开课 - 弥尔顿课程节选

"Waziristan is full of narrow valleys and barren mountains and it's a God-given country for any guerilla to fight in,".

VOA: standard.2009.06.18

What first appear to be tranquil scenes of Chinese mountains and valleys on closer inspection reveal digitally created metropolitan buildings and cityscapes.

BBC: Hong Kong��s vibrant art walk

But this summer has brought cruel comfort for Sydney's 4m people and thousands more in the mountains and valleys behind it.

ECONOMIST: Arson suspected

The mountains in the state's northwest region roll off the southern tip of the Rocky Mountains, and a maze of mountains and valleys funnel the wind into extreme speeds by the time they pass over ridge crests and mountain tops of the Guadalupe and Davis mountains.

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