You need a licence to fish in this river.

你在这条河里钓鱼要有许可证。

《牛津词典》

This river is wide and deep.

这条河又宽又深。

youdao

This river is one li wide .

这条河有一里宽。

《新英汉大辞典》

But the power of this river has been demonstrated in more modern times.

VOA: special.2009.08.12

To drink from this river would allow the fallen angels to forget their fallen state, to forget the fact of their fallen-ness from their more blissful former condition.

喝忘川之水让那些堕落天使,忘记他们的堕落的处境，忘记自己堕落这一现实,忘记自己是从幸福天堂堕落的事实。

耶鲁公开课 - 弥尔顿课程节选

who went and found this river that flows east to west.

他们找到了这条由东向西流的河。

神话有趣的课 - SpeakingMax英语口语达人

This river and rain runoff, combined with strong onshore winds, has led to high levels of sea pollution.

BBC: Where to go while Biarritz battles beach pollution

This river, cooled by bottom-releases from Pepacton Reservoir, attracts a pretty hardcore crowd.

FORBES: Catskills Fly Fishing Book

Students should determine what can be done to protect or repair this river.

CNN: Rivers feel heat as U.S. energy demand rises