back eddy

简明释义

同涡

英英释义

例句

1.The kayaker skillfully navigated the river, making use of the back eddy to rest before continuing downstream.

皮划艇运动员熟练地在河流中航行，利用回旋涡在继续下游之前休息。

2.As we drifted down the river, we spotted a back eddy that looked like a safe place to pull over.

当我们顺流而下时，看到一个看起来是安全停靠的地方的回旋涡。

3.The swimmer took advantage of the back eddy to conserve energy while competing in the race.

游泳者利用回旋涡在比赛中节省体力。

4.The guide explained how to identify a back eddy and use it for better navigation.

向导解释了如何识别回旋涡并利用它来更好地导航。

5.During the fishing trip, we found a perfect spot in the back eddy where the fish were plentiful.

在钓鱼之旅中，我们发现了一个完美的地方，在回旋涡里鱼类丰盈。

作文

In the vast expanse of nature, rivers carve their paths through the landscape, creating a dynamic ecosystem that supports a wide variety of life. Among the many fascinating phenomena associated with rivers is the occurrence of a back eddy, which refers to a circular movement of water that flows against the main current. This phenomenon can often be observed in areas where the river bends or where obstacles disrupt the flow of water. Understanding the concept of a back eddy not only enhances our appreciation of natural water systems but also highlights the intricate relationships between different elements within an ecosystem.The formation of a back eddy occurs when the main current of the river encounters an obstruction, such as a rock or a fallen tree. The water, instead of flowing smoothly past the obstacle, begins to swirl around it, creating a small whirlpool effect. This swirling motion can create pockets of still water behind the obstruction, which can provide a habitat for various aquatic species. Fish, for instance, often seek out these calmer waters to rest or hide from predators. Thus, the presence of a back eddy can significantly contribute to the biodiversity of a river environment.Moreover, back eddies play a crucial role in the overall health of river ecosystems. They help to distribute nutrients and sediments throughout the waterway. As the water swirls and circulates, it carries organic matter and nutrients that settle in these calm areas, enriching the soil and providing food for plants and microorganisms. This process fosters a thriving habitat for various life forms, from the smallest algae to larger fish species. In this way, back eddies become essential contributors to the ecological balance of river systems.From a recreational standpoint, back eddies are also significant for activities such as kayaking and fishing. Paddlers often seek out these areas for a respite from the strong currents of the main river. The calm waters of a back eddy allow for easier navigation and provide a perfect spot for anglers to catch fish that are attracted to the shelter and food sources found in these areas. Therefore, understanding where to find back eddies can enhance one’s experience on the water, making it safer and more enjoyable.In conclusion, the phenomenon of a back eddy is a remarkable aspect of river dynamics that offers numerous benefits to both the ecosystem and human activities. By fostering biodiversity, aiding in nutrient distribution, and enhancing recreational opportunities, back eddies exemplify the interconnectedness of nature. As we continue to explore and appreciate our natural environments, recognizing the significance of such features can deepen our understanding of the delicate balance that sustains life in our rivers. Whether we are observing wildlife, fishing, or simply enjoying the tranquility of a calm waterway, the presence of a back eddy serves as a reminder of the beauty and complexity of nature's design.

在广阔的自然环境中，河流在景观中雕刻出它们的路径，创造出一个动态的生态系统，支持着各种生命。在与河流相关的许多迷人现象中，回流涡流的出现尤为引人注目，它指的是一种水流循环运动，逆着主流流动。这种现象通常可以在河流弯曲或障碍物干扰水流的地方观察到。理解回流涡流的概念不仅增强了我们对自然水系的欣赏，还突显了生态系统中不同元素之间错综复杂的关系。回流涡流的形成发生在河流的主流遇到障碍物时，例如岩石或倒下的树木。水流不是平稳地流过障碍，而是开始围绕其旋转，形成小漩涡效果。这种旋转运动可以在障碍物后面形成静止水域，为各种水生物种提供栖息地。例如，鱼类常常寻找这些较平静的水域来休息或躲避捕食者。因此，回流涡流的存在可以显著增加河流环境的生物多样性。此外，回流涡流在河流生态系统的整体健康中也发挥着至关重要的作用。它们帮助在水道中分配养分和沉积物。当水流旋转和循环时，它携带的有机物和营养物质会在这些平静区域沉淀，丰富土壤并为植物和微生物提供食物。这一过程促进了从最小的藻类到较大鱼类物种的各种生命形式的繁荣栖息地。因此，回流涡流成为河流系统生态平衡的重要贡献者。从娱乐的角度来看，回流涡流对于皮划艇和钓鱼等活动也具有重要意义。划水者经常寻找这些区域，以便在主河流的强流中得到喘息。回流涡流的平静水域允许更容易的导航，并为渔民提供了完美的钓鱼地点，这些鱼类被吸引到这些区域的庇护和食物来源中。因此，了解如何找到回流涡流可以增强人们在水上的体验，使其更加安全和愉快。总之，回流涡流现象是河流动态中一个显著的方面，为生态系统和人类活动提供了众多好处。通过促进生物多样性、帮助养分分配以及增强娱乐机会，回流涡流体现了自然的相互联系。当我们继续探索和欣赏我们的自然环境时，认识到这些特征的重要性可以加深我们对维持河流生命的微妙平衡的理解。无论我们是在观察野生动物、钓鱼，还是仅仅享受宁静的水域，回流涡流的存在都提醒我们自然设计的美丽和复杂性。