power line

简明释义

电力线电源线

英英释义

A power line is a conductor or group of conductors used to transmit electrical energy from one location to another, typically from power plants to substations and then to consumers.

电力线是用于将电能从一个地点传输到另一个地点的导体或导体组,通常是从发电厂到变电站,然后再到消费者。

例句

1.The storm knocked down several trees, causing them to fall on the power line 电力线.

暴风雨击倒了几棵树,导致它们倒在了电力线上。

2.If you see a downed power line 电力线, do not approach it and call the authorities immediately.

如果你看到一条倒下的电力线,请不要靠近,立即拨打相关部门电话。

3.Always stay at least 10 feet away from a power line 电力线 when working outdoors.

在户外工作时,始终保持至少10英尺远离电力线

4.The utility company is responsible for maintaining the power line 电力线 infrastructure.

公用事业公司负责维护电力线基础设施。

5.Our neighborhood experienced a blackout due to a damaged power line 电力线.

由于一条受损的电力线,我们社区经历了停电。

作文

In our modern world, electricity is an essential part of daily life. We rely on it for lighting, heating, cooling, and powering our devices. However, the delivery of this electricity to our homes and businesses is largely dependent on the extensive network of infrastructure, particularly the power line (电力线). These power lines are the backbone of our electrical grid, transmitting high-voltage electricity over long distances to ensure that we have access to energy whenever we need it.The construction of power lines involves a complex process that requires careful planning and execution. Engineers must consider various factors such as geography, population density, and environmental impact when designing the routes for these lines. For instance, in rural areas, power lines may need to stretch across vast distances, while in urban settings, they might be routed underground to minimize visual clutter and reduce the risk of accidents.One of the most significant challenges associated with power lines is the risk of outages and disruptions. Weather events, such as storms or heavy snowfall, can cause damage to these lines, resulting in power outages that affect thousands of people. Additionally, wildlife, such as birds and squirrels, can also pose a threat to the integrity of power lines. To mitigate these risks, utility companies implement regular maintenance and inspection programs to ensure that the lines are in good condition and functioning properly.Furthermore, the safety of power lines is a major concern for both the utility workers who maintain them and the general public. It is crucial for individuals to understand the dangers associated with power lines, especially when engaging in outdoor activities. For example, flying kites or climbing trees near power lines can lead to serious accidents. Public awareness campaigns are often initiated to educate people about the importance of staying safe around these high-voltage structures.In recent years, there has been a growing interest in alternative energy sources, such as solar and wind power. As these technologies continue to advance, the role of power lines may evolve. For instance, decentralized energy systems could reduce the reliance on traditional power lines by allowing homes to generate and use their own electricity. However, even with these advancements, power lines will still play a vital role in the overall energy infrastructure, especially in areas where renewable energy sources are not yet viable.In conclusion, power lines (电力线) are an integral part of our electrical infrastructure, enabling the distribution of electricity to millions of people. Understanding their importance, the challenges they face, and the safety measures necessary to protect both workers and the public is essential. As we move towards a more sustainable future, the evolution of power lines will undoubtedly continue to shape the way we consume and generate energy.