1·5,000 years ago, Egypt really began to flourish out in the Nile River valley.
五千年前，埃及在尼罗河谷真正开始繁荣。
2·The river valley is intensively cropped.
河谷里种满了庄稼。
—— 《牛津词典》
3·We pitched camp in a river valley.
我们在河谷安营。
—— 《新英汉大辞典》
4·Farmers in other areas, such as the Red River valley of North Dakota and Minnesota, say they probably could harvest a conventional crop next year.
在其他地区的农民，比如北达科塔州的红河谷和明尼苏达洲，说他们明年可能种传统甜菜收获。
5·Between the gold rush and the Civil War, Americans in growing Numbers filled the Mississippi River valley, Texas, the southwest territories, and the new states of Kansas and Nebraska.
在淘金热和美国内战之间，越来越多的美国人来到了密西西比河谷、德克萨斯州、西南部和新生的堪萨斯州和内布拉斯加州。