lower reach

基本解释

A large amount of fertile soil is eroded at the lower reach of the river every year.
河的下遊每年都有大量的肥沃的土壤被侵蝕。
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The lower reach has an almost periodical flood, burst, and riverway change and thus silted into a vast and rich alluvial plain.
黃河下遊幾乎周期性地泛濫、決口、改道，造成了廣濶而肥沃的沖積平原。
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The paper puts forward and calculates the lowest environmental water demand in river course of stem stream according to the features of ecosystem and environment of lower reach of Yangtze River.
依據長江下遊生態環境特點提出竝概算了長江下遊乾流河道內最小環境需水量。

The final cutoffs: Pick no team seeded lower than No. 8 to reach the Final Four (only two of 96 have ever done it), and none seeded lower than No. 6 to reach the championship game (none have done it since 1985, when eighth-seeded Villanova made its memorable run to the title).
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But while it is true that attendance at elite American universities is farther out of reach for lower-income students, it is certainly not the case that a college education is farther out of reach.
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Caijing, he said, had achieved a stature that put it out of reach of lower-ranking bureaucrats.
NEWYORKER: The Forbidden Zone