Rivers today have high muddy Banks, sandbars and bends. But they didn't always look that way.
今天的河流有高高的泥泞岸边、沙洲和弯曲，但很久以前并不是这样的。
Unlike the sandbars of the eastern US coast, low-lying Pacific islands are made of coral debris.
不同于美国东海岸的沙洲，太平洋低地势岛屿是由珊瑚残骸构成的。
Egrets splashed amongst the reeds and left their tracks across the sandbars.
白鹭在芦苇丛中溅起一片水花在沙洲上流下了它们的印记。
Rivers today have high muddy Banks, sandbars and bends.
今天的河流有着高高的泥堤、沙堤和弯道。
The favorable reservoirs are dissolution pore facies and chlorite cement facies in the sand bodies of subaqueous distributary channels and center of river mouth sandbars.
有利的储集相带为水下分流河道砂体和河口砂坝中心的溶蚀孔隙相和绿泥石胶结相。
The favorable reservoirs are dissolution pore facies and chlorite cement facies in the sand bodies of subaqueous distributary channels and center of river mouth sandbars.
有利的储集相带为水下分流河道砂体和河口砂坝中心的溶蚀孔隙相和绿泥石胶结相。
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