...boating on the River Danube.

the mouth of the river (= where it enters the sea/ocean)

河口

They stood on the river bank to fish.

他们站在河岸边钓鱼.

His soldiers were arrayed along the river bank.

他的士兵沿着河岸摆开阵势.

We drove along the river bank.

我们驾着车子沿河岸行驶.

There are trees along the river bank.

沿河岸边有树.

The willows along the river bank look very beautiful.

河岸边的柳树很美.

Willows were planted along the river bank.

沿河岸栽着杨柳.

Finally, proposes the step of recovering groundwater ecology water level of river basin in Haihe river.

最后提出了恢复海河流域地下水生态水位的措施.

River basin should realize integrated management of water resources and water environment.

流域应实现流域水资源和水环境一体化管理.

River Basin Water Resources quantitative estimation.

流域水资源定量估算等.

The whole river basin is covered with tropical forest.

热带森林覆盖了整个河流流域.

The integrated management of a major river basin can mean many things to many people.

主体流域综合管理对于每个人意义都不同.

There is complete water resourcessystem In zhangweinan river basin and out water supporting capacity a ready.

漳卫南运河水资源总量少、时空分布不均、经常出现连续枯水年.

In one river basin, I was enchanted by the color of mountain.

一处河湾, 我很喜欢远处高山的颜色.

Water resources shortage is a restricted factor for economy development of the Shiyang river basin.

水资源短缺是石羊河流域经济发展的制约因素.

China's Yellow River Basin, soil erosion is very serious.

中国的黄河流域, 水土流失亦十分严重.

China river basin, irrigation easy, but there are small low-lying saline-alkali wasteland.

盆地河渠纵横, 灌溉方便, 但 低洼 处有小片盐碱荒滩.

We're dredging ( up ) mud ( from the river bed ).

我们正在 ( 从河床 ) 挖淤泥.

The river drained away and the river bed became dry.

河水流尽,河床干涸.

We shall have to widen out the river bed to avoid flooding.

我们将加宽河床以防洪水.