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泛滥平原
floodplain
常考释义
Surveys and drill cores have shown that the level of the Nile floodplain has steadily risen over the last five millenniums.
地质调查和钻探显示，尼罗河泛滥平原的地平面高度在过去的五千年中稳步上升。
来源于：阅读OFFICIAL51 P1n. 泛滥平原
Adgantole was a sour-smelling, dusty village beside the Awash River floodplain.
阿甘图尔一处闻起来有些酸臭到处都是灰尘的村庄，就坐落在阿瓦什河的泛滥平原上。
Surveys and drill cores have shown that the level of the Nile floodplain has steadily risen over the last five millenniums.
地质调查和钻探显示，尼罗河泛滥平原的地平面高度在过去的五千年中稳步上升。
来源于：阅读OFFICIAL51 P1As a result, a braided stream flows simultaneously in several channels and shifts back and forth across its floodplain.
其结果是，辫状河在多个河道同时流动，并在河漫滩上来回流动。
来源于：阅读OFFICIAL52 P1The real breakthrough took place when farmers began to cultivate crops along the floodplains of river systems.
当农民开始在河川系统的泛滥平原沿岸种植庄稼的时候，真正的突破发生了。
来源于：阅读OFFICIAL33 P1In a mature floodplain tropical forest in the Amazon River basin, the canopy (the uppermost layers of a forest, formed by the crowns of trees) takes on a stratified structure.
在一个成熟的亚马逊冲积平原的热带森林中，树冠（森林最上面的层，由树木的冠组成）就是一个分层结构。
来源于：阅读OFFICIAL40 P2The fan associated with the Wadi Hof extended a significant way into the Nile floodplain, forming a constriction in the vicinity of Memphis.
Hof河的冰水扇扩展到了尼罗河的泛滥平原上，在孟斐斯城附近造成了挤压。
来源于：阅读OFFICIAL51 P1When the floodplain was much lower, as it would have been in predynastic and early dynastic times, the outwash fans (fan-shaped deposits of sediments) of various wadis (stream-beds or channels that carry water only during rainy periods) would have been much more prominent features on the east bank.
在埃及前王朝时期和埃及王朝早期，泛滥平原的高度要低得多，那时候各个河谷（只在雨季才有水流通过的河床和渠道）的冰水扇（扇形沉积物堆积体）在河的东岸体现得更为明显。
来源于：阅读OFFICIAL51 P1Surveys and drill cores have shown that the level of the Nile floodplain has steadily risen over the last five millenniums.
地质调查和钻探显示，尼罗河泛滥平原的地平面高度在过去的五千年中稳步上升。
来源于：阅读OFFICIAL51 P1As a result, a braided stream flows simultaneously in several channels and shifts back and forth across its floodplain.
其结果是，辫状河在多个河道同时流动，并在河漫滩上来回流动。
来源于：阅读OFFICIAL52 P1A stream deposits its sediment in three environments: Alluvial fans and deltas form where stream gradient (angle of incline) suddenly decreases as a stream enters a flat plain, a lake, or the sea; floodplain deposits accumulate on a floodplain adjacent to the stream channel; and channel deposits form in the stream channel itself.
一条河流会在三种环境下发生沉淀：在河流进入平原、湖泊或大海的时候，河流坡度（倾斜的角度）会突然下降，在那些地方会形成冲积扇和三角洲；河漫滩沉积物会堆积在河道附近的漫滩上；河流内部也会形成河道沉积物。
来源于：阅读OFFICIAL52 P1Except in favored areas, such as regularly inundated floodplains: tropical Africa's soils were of only moderate to low fertility.
除了在耕种条件较好的地区，比如经常被水淹没的河漫滩地区：热带非洲的土壤的肥力只在中等水平甚至肥力很低。
来源于：阅读OFFICIAL52 P3以上图片仅供学习交流使用，版权归原作者所有，如有侵权，请与我方联系
