River and stream flow that maintains stream quality, aquatic life and recreational opportunities.

能维持河水质量，水生生命和满足娱乐需要的河水流量。

youdao

Discovering the inputs and outputs of rivers is a matter of measuring the discharges of every inflowing and outflowing stream and river.

发现河流的输入和输出，就是测量每一条流入和流出的河流的流量。

youdao

And it shall come to pass in that day, that the LORD shall beat off from the channel of the river unto the stream of Egypt, and ye shall be gathered one by one, o ye children of Israel.

以色列人哪，到那日，耶和华必从大河，直到埃及小河，将你们一一的收集，如同人打树拾果一样。

youdao

When the snow melted that spring, every stream became an angry river that raced down the mountains tearing up trees and bringing destruction.

VOA: special.2009.06.06

East of the River Adur, the downs run in three long plateaux, separated by stream and river valleys.

BBC: England��s ghostly South Downs Way

Flood warnings are in place for the River Tresillian at Ladock, Bolingey Stream from Bolingey to Perranporth and the River Cober at Helston.

BBC: Flooding in Devon and Cornwall

The young eels, called glass eels when they are at sea, are then carried by the Gulf Stream and reach river systems across Europe.

BBC: River ladders give eels a leg up