在1948年至2004年间，位于美国西北部地区的哥伦比亚河的流量减少了约14%，这主要是由于降水量减少以及美国西部用水量增加。
The Columbia River in the us Northwest lost about 14 percent of its volume from 1948 to 2004, largely because of reduced precipitation and higher water usage in the west.
美国华盛顿州中北部一个峡谷，长约48公里(30英里)，为哥伦比亚河冲刷形成，其水来自于大古力水坝。
A gorge, about 48 km (30 mi) long, of north-central Washington, carved by the Columbia River. It is fed by water from the Grand Coulee Dam.
根据维基，摩特诺玛瀑布是美国第三高的瀑布，总高度有620多尺，坐落在哥伦比亚河峡谷旁。
According to wiki, Multnomah Falls is the third tallest waterfall in US. The total height of this waterfall is about 620 feet. It is located near the Columbia River Gorge.
发源于美国华盛顿州西南喀斯喀特山脉的一条河流，流程约209公里(30英里)，向西南注入哥伦比亚河。
A river rising in the Cascade Range of southwest Washington and flowing about 209 km (30 mi) west and south to the Columbia river.
一个月之后，一名美国人沿着哥伦比亚河向内陆方向航行，这为日后美国索取西北部的大片土地奠定了基础。
A month later it was an American who sailed inland on the Columbia, laying the basis for the United States' future claim to much of the region.
哥伦比亚河及其在太平洋沿岸地区美国西北部的支流上的55座水坝所产生的剩余的大量电力能够被输入到电解装置之中，使之变得相当于喷油井。
Spare megawatts from the 55 major DAMS along the Columbia River and its tributaries in the Pacific Northwest could be fed into electrolyzers, turning them into the equivalent of oil gushers.
哥伦比亚河及其在太平洋沿岸地区美国西北部的支流上的55座水坝所产生的剩余的大量电力能够被输入到电解装置之中，使之变得相当于喷油井。
Spare megawatts from the 55 major DAMS along the Columbia River and its tributaries in the Pacific Northwest could be fed into electrolyzers, turning them into the equivalent of oil gushers.
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