Prevent the river from being polluted

河流───rivers;污染───contaminated

Rivers and streams have overflowed their banks in countless places.───在许多地方，河流与小溪都已经决堤。

The new law will reduce pollution of the rivers.───这条新法律将会减轻河流污染.

As they flow south, the five rivers converge.───5条大河在南边交汇。

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.

Heavy industry pollutes our rivers with noxious chemicals.───重工业产生的有毒化学品会污染我们的河流。

Flooding was caused by water gushing into rivers from uplands.───从山地奔流而下的水涌入河中引发了洪水。

The rivers overflowed their banks.───河里的水漫过了河岸。

Glaciers are moving rivers of ice.───冰川是流动成河的冰。

They throw rubbish into rivers , too.

The two rivers converge into one near Pittsburgh.

Many rivers and lakes are seriously polluted.

Rivers are a blessing for an agricultural country.

Deep rivers move in silence, shallow brooks are noisy.