Dams and irrigation projects upriver in Africa increase the population of malarial mosquitoes downriver.

而非洲河流上游处实施的水坝和灌溉工程增加了下游地区携带疟疾的蚊子。

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

更糟糕的是，保留地上游的通用汽车工厂旧址已经变成了超级基金污染场址。

But the two tributaries contribute vastly different levels of water into the Nile further downriver through Egypt.

但是，这两条支流汇入尼罗河的水量却大相径庭，因为它们都在埃及下游。

Hundreds of thousands of people downriver have been told to evacuate.

下游数十万人已被告知撤离。

NPR's Martin Kaste is downriver from the slide near Oso, Washington.

NPR新闻的马丁·凯斯特将从华盛顿奥索附近的滑坡事发地下游地区带来报道。

Unable to wash downriver, the nutrients build up while dissolved oxygen in the water decreases.

养分因无法向下游流动而不断累积，同时水中的溶解氧量却在不断减少。

Just a short walk downriver from the Parliament Building is a sobering memorial to another of the city's darkest chapters.

从国会大楼往下游步行片刻，可看到刻划着该城市另一段黑暗历史的纪念碑。

He survived mostly on wild berries and roots and after six weeks of travel, built himself a crude raft and began floating downriver.

他靠着野果和树根活下来，这样，度过六周后，他做了一个粗糙的木筏向下漂流。

552.Ah, don't you worry.I got a place downriver.

啊, 你不用担心。我有一个地方在下游。

588.No, they say he's headed downriver with a bear.

不, 他们说他已经往下游走了, 和一只熊(一起)。