electric locomotive

简明释义

电气机车

英英释义

A type of railway locomotive that is powered by electricity rather than by a diesel engine or steam.

一种通过电力驱动的铁路机车,而不是柴油发动机或蒸汽机。

例句

1.The new electric locomotive 电力机车 has improved energy efficiency compared to older models.

新的电力机车比旧型号在能效方面有了改善。

2.The electric locomotive 电力机车 can reach speeds of up to 300 kilometers per hour.

电力机车的速度可以达到每小时300公里。

3.The introduction of electric locomotives 电力机车 has revolutionized freight transport.

电力机车的引入彻底改变了货运运输。

4.Many cities are investing in electric locomotives 电力机车 to reduce air pollution.

许多城市正在投资于电力机车以减少空气污染。

5.An electric locomotive 电力机车 requires a power supply from overhead lines.

电力机车需要从架空线获得电源。

作文

The evolution of transportation has been a remarkable journey, with various innovations shaping the way we travel. One of the most significant advancements in this field is the development of the electric locomotive (电力机车). This powerful and efficient mode of transport has transformed the railway industry and continues to play a crucial role in modern transportation systems.An electric locomotive (电力机车) is a train engine that is powered by electricity rather than traditional diesel or steam engines. This transition to electric power has several advantages, including reduced emissions, lower operational costs, and improved performance. Electric locomotives are particularly advantageous in urban areas where air quality is a concern, as they produce no direct emissions during operation.The first electric locomotives (电力机车) were introduced in the late 19th century, marking a significant milestone in railway technology. These early models were primarily used for short-distance travel and freight operations. However, as technology advanced, so did the capabilities of electric locomotives. Today, they are capable of traveling long distances at high speeds, making them suitable for both passenger and freight services.One of the key benefits of an electric locomotive (电力机车) is its efficiency. Electric trains can accelerate and decelerate more quickly than their diesel counterparts, allowing for shorter travel times and better scheduling flexibility. Additionally, electric locomotives can regenerate energy during braking, feeding power back into the grid or using it to power other train systems. This regenerative braking system not only enhances efficiency but also contributes to overall energy savings.Another important aspect of electric locomotives (电力机车) is their ability to operate on electrified tracks, which are becoming increasingly common worldwide. Countries such as Japan, Germany, and China have invested heavily in electrifying their rail networks, recognizing the benefits of electric traction. In fact, China has emerged as a leader in electric railway technology, with extensive high-speed rail networks that rely on electric locomotives (电力机车) to transport millions of passengers each year.Furthermore, the use of electric locomotives (电力机车) aligns with global efforts to combat climate change. By reducing reliance on fossil fuels and lowering greenhouse gas emissions, electric trains contribute to a more sustainable future. Many governments are prioritizing the expansion of electric rail systems as part of their environmental policies, further solidifying the role of electric locomotives (电力机车) in modern transportation.Despite the numerous advantages, there are challenges associated with the widespread adoption of electric locomotives (电力机车). The initial investment required for electrification infrastructure can be substantial, and some regions may face difficulties in implementing these systems due to geographical or financial constraints. However, as technology continues to improve and the demand for sustainable transportation grows, it is likely that more countries will embrace electric rail solutions.In conclusion, the electric locomotive (电力机车) represents a pivotal advancement in railway technology, offering numerous benefits for both passengers and the environment. As we move towards a more sustainable future, the importance of electric trains will only continue to grow. Their efficiency, speed, and low emissions make them an ideal choice for modern transportation, ensuring that they remain a vital component of our global transport infrastructure.

相关单词

locomotive

locomotive详解:怎么读、什么意思、用法