The hydrosphere includes the ocean, rivers, lakes, streams, groundwater and even puddles.

水圈包括海洋、河、泊、溪、地下水甚至水坑。

Why did we cut so many down? They're a filter for air. They're a storage of carbon. They provide shade to our streams.

我们为何要砍掉这么多的呢？木是空气的过滤器，储存许多碳，为溪提供荫蔽。

For example, the old- growth trees have extremely long roots that help prevent erosion of the soil along the banks of the many fish streams.

比如，这些古老的特别的根，能够帮助防止溪两岸的土壤被侵蚀，而这些溪中都生活很多鱼。

Villagers use every stream pouring down from the mountains to irrigate tier upon tier of terraces carved into the precipitous slopes.

村民们利用从山上倾泻下来的每一条溪，灌溉建陡峭山坡上一层又一层的梯田。

The land has been connected to the network of lakes and streams in the area.

这片土地已与该地区的泊和溪网相连。

I don't really know what that was, but if you keep following the steps down you get to this amazing stream and this great bridge which is awesome for photos.

我真的不知道会通往哪里，但如果继续沿台阶走下去，就会到达这条叹为观止的溪和这座很棒的桥，非常适合拍照。

Mayflies come out of rivers or streams where they develop to mate.

蜉蝣从河或溪中孵化出来进行交配。

Streams, normally flow through wetland before they reach a lake or river.

溪入泊或河之前通常经一片湿地。

But again, there aren't any rivers or streams on the surface to bring water to these places, so how does it get there?

但需要重申，地表没有任何河或溪，将水带入这些绿洲，那么水是如何入？

The stream swept them away, and stepping stones appeared, and the three witches and the knight were able to pass at last on to the summit of the hill.

溪把这些记忆带走了，河里出现了几块踏脚石，三个女巫和骑士终于能过河去山顶了。

Spend a minute or two watching in the water pass by underneath as you across the footbridge, and then continue along the River Walk through the woodland.

当你走过桥上，花一两分钟观看脚下的河水，然后继续林中沿溪而行。

So it found its way to rivers and streams and caused them to burst their banks and spread water all over.

因此，它找到了河和溪，使它们冲破堤岸，把水扩散到各处。

This process - much like water flowing down a stream - acts differently on obstacles depending on how streamlined they are.

漩涡脱落——很像水顺溪下——障碍物的线型不同，其对障碍物的作用也不就不同。

Harry could hear running water; there must be a stream somewhere close by.

哈利可以听见潺潺的水声，显然，附近什么地方有一道溪。

It has no connections to the rivers and streams around it.

它与周围的河和溪无关。

The power of letting go means that we float along the stream, without grasping for rocks and branches, and that we cut loose dead weight, so we can navigate through life with minimal effort.

放手的力量意味我们沿溪漂浮，不抓岩石和枝，我们摆脱了沉重的负担，所以我们可以用最少的努力生活中游刃有余。

But all the time, like two streams in a valley, they were destined to join.

但是这整段时间里，他们就像山谷中的两条溪，终究是要合一起的。

The creeks consist partly of seawater, so they're under the influence of the tides.

这些溪部分由海水组成，因此会受到潮汐的影响。

It is often growing on the sides of very freshwater streams.

它通常生非常淡水的溪的两侧。

This can hurt forests, lakes, and streams and the animals that live there, as well as damage buildings and cars, and cause respiratory issues like asthma, bronchitis, and pneumonia in humans.

这会破坏森林、泊和溪，以及生活那里的动物，也会破坏建筑和汽车，导致人类的哮喘、气管炎和肺炎等呼吸系统问题。