Can we swim in the river ?

They have a house on the river (= beside it) .

他们在河边有栋房子。

to travel up/down river (= in the opposite direction to/in the same direction as the way in which the river is flowing)

逆流而上；顺流而下

...a chemical works on the banks of the river.

跨河而建的一家化工厂

the River Thames

泰晤士河

a boat on the river

河上的一条船

The river has risen.

河水上涨.

Rivers of molten lava flowed down the mountain.

大量的熔岩顺着山坡流下来。

The concept of atmospheric retrievable index ( ARI ) is introduced to provide the criterion for channel selection.

提出一个能对反演效果进行定量评估的指标,此指标定义为大气可反演指标.

the Mississippi River

密西西比河

the Hudson River

哈得孙河

...boating on the River Danube.

在多瑙河上划船

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.