The water in the river has fallen two feet.

In spring the river's surface is often level with the banks.

春天河水常常涨到与河岸一样高.

During the annual floods the river deposits its silt on the fields.

每年河水泛滥时都会在田野上沉积一层淤泥.

the sluggish black waters of the canal

运河里缓慢流动的黑乎乎的河水

We went white-water rafting on the Colorado River.

我们到科罗拉多河湍急的河水中划皮划艇。

The levels of chemicals in the river are not insignificant.

河水中的化学物质含量不容忽视。

The river gurgled and burbled.

河水汩汩地流淌着。

In the end the Volga'swaters will run dry.

伏尔加河水终将干涸。

The Chicago River flooded the city'sunderground tunnel system.

芝加哥河的河水淹没了城市的地下隧道系统。

The river burst its banks, submerging an entire village.

河水决堤，淹没了整个村庄。

Springs and rivers that drain into lakes carry dissolved nitrates and phosphates.

流入湖中的泉水和河水携带了溶于水的硝酸盐和磷酸盐。

These dams have restricted the flow of the river downstream.

这些堤坝限制了河水顺流而下。

It's easy to get a tummy upset from river water.

喝河水很容易闹肚子。

A river forms the boundary between the two countries.

一条河流成了两国的分界线.

Rivers are generally highways that speed trade and communication.

河流通常是促进贸易和运输的通道.

Let's meet by that bridge where the rivers marry.

我们就在河流会合处的那座桥边见面 吧.

The new law will reduce pollution of the rivers.

这条新法律将会减轻河流污染.

When the river freezes over, we can walk across on the ice.

河流结冻时, 我们可以踏冰穿过河面.

Rivers are being increasingly made use of by man.

河流正在日益为人类所利用.

a river diversion project

河流改道工程

the clean-up of the river

河流清理