gas engine

简明释义

燃气发动机;煤气机;汽油机

英英释义

例句

1.The car is powered by a gas engine.

这辆车由汽油发动机驱动。

2.The gas engine requires regular maintenance to run smoothly.

为了顺利运行，汽油发动机需要定期维护。

3.Many lawn mowers use a gas engine for better performance.

许多割草机使用汽油发动机以获得更好的性能。

4.The gas engine in this generator is very efficient.

这个发电机中的汽油发动机非常高效。

5.He prefers cars with a gas engine over electric ones.

他更喜欢配有汽油发动机的汽车，而不是电动汽车。

作文

The development of the gas engine has played a significant role in shaping modern transportation and industry. A gas engine (气体发动机) is an internal combustion engine that burns fuel to create energy, which is then converted into mechanical work. This technology has revolutionized how we move goods and people, making it one of the most important inventions in history.Historically, the gas engine emerged during the late 19th century as a response to the limitations of steam engines. While steam engines required large amounts of water and fuel, gas engines offered a more compact and efficient alternative. The ability to use gasoline or other gaseous fuels allowed for smaller, lighter engines that could be easily integrated into various vehicles, from cars to boats.One of the key advantages of the gas engine is its efficiency. Compared to steam engines, which often wasted a significant amount of energy, gas engines can convert a higher percentage of fuel into usable power. This efficiency has led to the widespread adoption of gas engines in automobiles, where performance and fuel economy are critical factors.Moreover, the versatility of gas engines cannot be overlooked. They can be designed for a range of applications, from small lawnmowers to large trucks and even airplanes. The adaptability of these engines has made them a staple in many industries, contributing to economic growth and technological advancement.However, the rise of the gas engine has not been without its challenges. Environmental concerns regarding emissions have prompted a shift towards cleaner alternatives, such as electric and hybrid vehicles. The combustion process in gas engines produces harmful pollutants, including carbon dioxide and nitrogen oxides, which contribute to air quality issues and climate change. As a result, researchers and engineers are continuously working to improve gas engine technology, focusing on reducing emissions and increasing fuel efficiency.Despite these challenges, the gas engine remains a vital part of our infrastructure. Many countries still rely heavily on vehicles powered by gas engines, and the global economy is intertwined with the production and consumption of gasoline. Innovations such as turbocharging and direct fuel injection have further enhanced the performance of gas engines, proving that this technology is still relevant in today's world.In conclusion, the gas engine (气体发动机) has had a profound impact on society, influencing how we travel and transport goods. While the future may see a shift towards more sustainable energy sources, the legacy of the gas engine is undeniable. Its efficiency, versatility, and contributions to modern life ensure that it will remain an essential topic of discussion in both engineering and environmental circles.