4周搞定2000+托福核心词
Cairo
常考释义
But when the Aswan dams were constructed in the 20th century to provide electricity and irrigation, and to protect the huge population centre of Cairo and its surrounding areas from annual flooding and drought, most of the sediment with its natural fertilizer accumulated up above the dam in the southern, upstream half of Lake Nasser, instead of passing down to the delta.
20 世纪所建的阿斯旺水坝主要用于提供电力、灌溉用水以及为人口密集 的开罗市中心及其周边地区提供保护，以免其受到每年一次的洪水和干旱的影响。但是在水坝建成 后，富含天然肥料的淤泥大部分沉积在了水坝上游，即纳萨尔湖的上游地区，而不再继续流入尼罗河三角洲。
来源于：剑雅5-Test3n. 开罗（埃及首都）
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