hydroelectric dam

简明释义

水电站坝

英英释义

例句

1.Tourists often visit the hydroelectric dam 水电大坝 for its stunning views and engineering marvels.

游客们常常造访这座水电大坝，欣赏其壮观的景色和工程奇迹。

2.The construction of the hydroelectric dam 水电大坝 has significantly increased the region's power supply.

这座水电大坝的建设显著增加了该地区的电力供应。

3.Many countries invest in hydroelectric dams 水电大坝 to promote renewable energy sources.

许多国家投资于水电大坝以促进可再生能源的使用。

4.The hydroelectric dam 水电大坝 generates electricity by harnessing the flow of water.

这座水电大坝通过利用水流发电。

5.The hydroelectric dam 水电大坝 helps in flood control and irrigation.

这座水电大坝有助于防洪和灌溉。

作文

The world is increasingly turning to renewable energy sources, and one of the most effective methods of generating clean electricity is through the use of a hydroelectric dam. A hydroelectric dam is a structure that uses the flow of water to generate power. By harnessing the kinetic energy of flowing water, these dams convert it into electrical energy, providing a sustainable solution to the growing demand for electricity worldwide.The basic principle behind a hydroelectric dam involves the construction of a barrier across a river, creating a reservoir or a large body of water. As water flows over the dam, it passes through turbines, which are connected to generators. The movement of the turbines generates electricity, which can then be distributed to homes and businesses. This method of energy production has been around for over a century and has proven to be both efficient and reliable.One of the significant advantages of a hydroelectric dam is its ability to produce large amounts of electricity without emitting greenhouse gases. Unlike fossil fuel power plants, which release carbon dioxide and other pollutants into the atmosphere, hydroelectric dams offer a cleaner alternative. This aspect is particularly crucial in the fight against climate change, as the world seeks to reduce its carbon footprint.In addition to environmental benefits, hydroelectric dams also provide economic advantages. They create jobs during the construction phase and maintenance of the facility. Furthermore, they can lead to lower electricity costs for consumers, as hydroelectric power is often cheaper than power generated from fossil fuels. Many countries have invested heavily in hydroelectric dams as a means of boosting their energy independence and security.However, the construction of a hydroelectric dam is not without its challenges. One of the primary concerns is the impact on local ecosystems. The creation of a reservoir can flood large areas of land, displacing wildlife and affecting biodiversity. Additionally, fish populations may be disrupted due to changes in water flow and temperature. To mitigate these effects, many modern hydroelectric dams incorporate fish ladders and other technologies to help aquatic life navigate around the dam.Another issue is the potential for droughts or changes in precipitation patterns, which can affect the water supply needed for the hydroelectric dam to operate efficiently. Climate change poses a significant risk to the reliability of hydroelectric power, as some regions may experience decreased water availability.Despite these challenges, the future of hydroelectric dams appears promising. Innovations in technology are making it possible to build more environmentally friendly dams and improve the efficiency of existing ones. For example, small-scale hydroelectric projects are gaining popularity, allowing communities to harness local water sources without the extensive environmental impact of larger dams.In conclusion, hydroelectric dams play a crucial role in the transition to renewable energy. They provide a reliable source of electricity while minimizing environmental damage compared to traditional energy sources. As the world continues to seek sustainable solutions to meet its energy needs, hydroelectric dams will undoubtedly remain a vital part of the energy landscape. Understanding the benefits and challenges associated with hydroelectric dams is essential for making informed decisions about our energy future.

随着世界日益转向可再生能源，利用水电大坝发电成为了一种有效的清洁电力生成方法。水电大坝是一种利用水流发电的结构。通过利用流动水的动能，这些大坝将其转化为电能，为日益增长的电力需求提供可持续的解决方案。水电大坝的基本原理是，在河流上建造一道屏障，形成一个水库或大型水体。当水流过大坝时，它会通过涡轮机，涡轮机与发电机相连。涡轮机的运动产生电力，然后可以分配给家庭和企业。这种能源生产方式已经存在了一个多世纪，并且被证明既高效又可靠。水电大坝的一个显著优点是其能够在不排放温室气体的情况下产生大量电力。与释放二氧化碳和其他污染物的化石燃料发电厂不同，水电大坝提供了更清洁的替代方案。这一点在应对气候变化的斗争中尤为重要，因为世界正在努力减少碳足迹。除了环境效益外，水电大坝还带来了经济优势。在建设阶段和设施维护期间，它们创造了就业机会。此外，由于水电通常比化石燃料发电便宜，因此可以降低消费者的电费。许多国家已经在水电大坝上进行了大量投资，以提升其能源独立性和安全性。然而，建设水电大坝并非没有挑战。主要关注之一是对当地生态系统的影响。水库的创建可能会淹没大面积土地，导致野生动物的迁移并影响生物多样性。此外，由于水流和温度的变化，鱼类种群可能会受到干扰。为了减轻这些影响，许多现代水电大坝采用了鱼道和其他技术，帮助水生生物绕过大坝。另一个问题是干旱或降水模式的变化可能会影响水电大坝高效运行所需的水供应。气候变化对水电的可靠性构成重大风险，因为某些地区可能会经历水资源的减少。尽管面临这些挑战，水电大坝的未来似乎充满希望。技术创新使得建造更环保的大坝和提高现有大坝效率成为可能。例如，小规模水电项目越来越受欢迎，使社区能够利用当地水源，而不会对环境造成大规模影响。总之，水电大坝在向可再生能源过渡中发挥着至关重要的作用。与传统能源相比，它们提供了可靠的电力来源，同时最大限度地减少环境损害。随着世界继续寻求可持续解决方案以满足其能源需求，水电大坝无疑将继续是能源格局的重要组成部分。理解水电大坝相关的优点和挑战对于做出关于我们能源未来的明智决策至关重要。