Those that make it upstream develop into opaque elvers.

那些成功抵达上游鱼变成了不透明鳗鱼。

So, officials said the pollution was likely coming from wastewater upstream.

所以，表示，污染可能来自上游废水。

Ethiopia is working on a huge dam to contain water upstream.

埃塞俄比亚正在修建一座巨型大坝，以控制上游水。

They knew that the stream would be better to drink farther up, away from the beach.

他知道最好喝上游溪水，远离海滩。

Within a basin, the water upstream may be useful for irrigation, industrial or domestic use.

在一个盆地之内，河流上游水也许可以用于灌溉、工业以及家庭活动。

One is Iranian-backed. The other theater that's opening up is the upper Tigris River Valley.

其中一个是伊朗支持战斗。另一个是底格里斯河上游战场。

Predators like the smallmouth bass have caused problems for the upper river's environment.

像小嘴鲈鱼这样掠食者已经给科罗拉多河上游环境造成了问题。

Salmon and the river ecosystem have become threatened by a host of problems originating far up river.

三文鱼和河流生态系统已经受到来自河流上游一系列问题威胁。

The reservation is also downriver from a former General Motors factory that is now a Superfund site.

更是，保留地上游通用汽车工厂旧址已经变成了超级基金污染场址。

Wayne Pullan is the bureau's director for the upper basin.

韦恩·普兰是该局上游盆地局长。

The problems start further up the river.

问题开始于河流上游。

But behind the scenes in an online game, this is what it looks like.

但是每一个网上游戏幕后，看起来却是这样。

Yes. And there was a big party in the street.

是。街道上游一场盛大派对。

Now, upstream, the water is flowing pretty slowly.

在上游，河水流速比较慢。

Agencies spend millions of dollars each year to keep invasive species under control in the upper part of the river.

各机构每花费数百万美元来控制河流上游入侵物种。

Race to the Top had good goals, but poor implementation.

“力争上游”计划目标很好，但是实施很。

Climate change is partly to blame, but also dams upstream on the Mekong River that choke the flow of freshwater.

气候变化是部分原因，但湄公河上游大坝也阻遏了淡水流动。

I mean, it's the biggest deal we've seen in upstream US oil and gas in decades.

这是几十来我在美国油气上游看到最大一笔交易。

18. W: Do you understand why the local people are opposed to the new dam up the river?

问题18. W: 你知道为什么当地人反对在河上游建新大坝吗？

You can think about it further up the stream at the eardrum.

你可以想一下在耳膜上游。