Those that make it upstream develop into opaque elvers.

那些成功抵达上鱼变成了不透明鳗鱼。

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，以控制上水。

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

他们知道最好喝上溪水，远离海滩。

They are white poplars. Though very common in Northwest China, they are no ordinary trees!

那是力争上一种树，笔直干，笔直枝。

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

在一个盆地之内，河流上水也许可以用于灌溉、工业以家庭活动。

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

其一个是伊朗支持战斗。另一个是底格里斯河上战场。

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.

更糟糕是，保留地上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·普兰是该局上盆地局长。

The problems start further up the river.

问题开始于河流上。

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

但是每一个网上戏幕后，看起来却是这样。

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

是。街道上一场盛大派对。

Now, upstream, the water is flowing pretty slowly.

在上，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.

各机构每年花费数百万美元来控制河流上入侵物种。

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，但湄公河上大坝也阻遏了淡水流动。

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

“力争上”计划目标很好，但是实施很糟。

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

这是几十年来我们在美国油气上看到最大一笔交易。

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建新大坝吗？

There is something on my line and it's big.

我线上东西，它很大。