The Yellow river is a natural river as well as a cultural river.

黄河既是一条自然的河，又是一条文化的河。

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In the natural river succession, the Yellow river course is in its critical situation and will probably change again.

按河流演变的自然规律，黄河已达到其河床演变的临界值，很可能会再次改道。

youdao

There always some nodes exist in natural river channels and the capability of river pattern control of nodes is limited.

在天然河道中常存在一些节点，节点对河势的控制能力是有限的。

youdao

Sabrina The Lady is only rescued once the attendant spirit -- calls on the nymph Sabrina, the genius loci -- the natural spirit of the Severn stream, which is the river that separates England from Wales.

只有随从号召美丽的少女,和一个天才的场所-,它是赛文河流的自然精神，是分割英格兰和威尔士的河流。

耶鲁公开课 - 弥尔顿课程节选

Instead of building a great wall across the Xingu to create a massive reservoir, Belo Monte is designed as a run-of-river dam, a technique that harnesses the natural flow of the river to drive the turbines.

ECONOMIST: Energy in Brazil

They eschew dinnertime music in favour of the natural sounds of the river.

BBC: Safari by water in southern Africa

Everything is done within the natural range of the river.

FORBES: Hydroelectric Revolution: A River Runs Through It