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。
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。
They made artificial beaches and sandbars in areas inaccessible to people and dogs.
他们做了一个人工的海滩以及防止人类和狗进入的沙洲。
They get off course and head toward hidden sandbars. No one notices until it is too late.
可能当它开始时就可能已经走向隐藏的沙洲，你意识到危险是已经太晚了。
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。
Generally, a stormy season's strong surf builds higher, wider sandbars, whereas gentle seas sculpt smaller sandbars closer to shore.
一般来说，暴风雨季节的强烈的冲浪把山脊建立得更高，造成更大的沙滩，而轻柔的海浪构造了比较靠近岸边的小沙滩。
Waves driven by ocean winds can cause the sandbars here to shift and change literally by the hour, making conditions hazardous for boats.
波浪能驱动来自海洋风导致沙洲的转移，并改变按小时，对于小船能制造有害的条件。
Therefore, they need the stopover habitat—the shallows, the sandbars, the security, the corn and invertebrates—to complete their arduous yearly cycle.
因此，它们需要这个中途停留的栖息地——浅滩、沙洲、安全、玉米和无脊椎动物——来完成年复一年的努力。
Many animals also died from run-ins with ships, and others were killed when sandbars-a favorite hangout for cetaceans-were blasted for easier navigation.
许多动物还死于与船只的撞击，还有其他的动物在沙洲被炸毁(为了更方便船只航行)时丧命。沙洲是鲸类动物最喜欢的栖息地。
Understanding these sandbars is critical to study of beach erosion and climate-related sea level rise, but the surf zone is a notoriously hostile research environment.
了解这些沙洲对于沙滩受侵蚀和气候变化影响下海平面升高的研究非常重要不过众所周知激浪区域的研究环境是非常恶劣的。
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。
By night they roost in the gently flowing shallows of the Platte, shin-deep in cool water, or else on sandbars, giving them warning against any predator that might come splashing out.
在夜里，它们栖息在普拉特河缓缓流动的浅水处，呆在没腿的凉爽河水中或沙洲上，因为溅起的水花会警告它们，可能有捕食者来了。
By night they roost in the gently flowing shallows of the Platte, shin-deep in cool water, or else on sandbars, giving them warning against any predator that might come splashing out.
在夜里，它们栖息在普拉特河缓缓流动的浅水处，呆在没腿的凉爽河水中或沙洲上，因为溅起的水花会警告它们，可能有捕食者来了。
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