exhaust fume

简明释义

废气

英英释义

例句

1.Children are particularly vulnerable to the effects of exhaust fumes 废气 in urban areas.

儿童在城市地区特别容易受到废气 废气影响。

2.The mechanic warned me about the dangers of inhaling exhaust fumes 废气 while working under the car.

机械师警告我在汽车下工作时吸入废气 废气的危险。

3.It's important to ventilate the garage to reduce the buildup of exhaust fumes 废气 when running the engine.

在发动机运转时，通风车库以减少废气 废气的积聚是很重要的。

4.The city implemented new regulations to limit exhaust fumes 废气 from vehicles.

该市实施了新规定，以限制车辆排放的废气 废气。

5.After a long drive, I noticed a strong smell of exhaust fumes 废气 in the cabin.

长途驾驶后，我注意到车厢内有一股浓烈的废气 废气气味。

作文

In today's rapidly advancing world, the impact of vehicles on our environment cannot be overstated. One of the most significant concerns associated with the use of automobiles is the emission of exhaust fume, which refers to the gases released from the engine during combustion. These gases contain harmful pollutants that pose serious threats to both human health and the ecosystem. As cities become more populated and traffic congestion worsens, the concentration of exhaust fume in urban areas continues to rise, leading to increased air pollution and a decline in air quality.The primary components of exhaust fume include carbon monoxide, nitrogen oxides, hydrocarbons, and particulate matter. Carbon monoxide is a colorless, odorless gas that can be lethal in high concentrations, as it prevents oxygen from entering the bloodstream. Nitrogen oxides contribute to the formation of ground-level ozone, a key component of smog that can exacerbate respiratory problems. Hydrocarbons are organic compounds that can lead to the formation of secondary pollutants, while particulate matter can penetrate deep into the lungs and cause various health issues, including asthma and cardiovascular diseases.As awareness of these dangers grows, many countries have begun implementing stricter regulations on vehicle emissions. For instance, the introduction of catalytic converters has significantly reduced the amount of harmful substances released in exhaust fume. These devices convert toxic gases into less harmful emissions before they exit the vehicle's exhaust system. Additionally, governments are encouraging the use of electric vehicles, which produce zero exhaust fume and offer a cleaner alternative to traditional gasoline-powered cars.However, the transition to cleaner transportation is not without its challenges. The infrastructure for electric vehicles is still developing, and the production of batteries raises concerns about resource extraction and disposal. Furthermore, many people remain reliant on conventional vehicles due to economic factors, making it difficult to achieve a significant reduction in exhaust fume emissions in the short term.Public awareness campaigns play a crucial role in educating individuals about the effects of exhaust fume on their health and the environment. By understanding the sources and impacts of these emissions, people can make informed choices about their transportation options. For example, carpooling, using public transportation, or cycling can help reduce the number of vehicles on the road, thereby decreasing the overall output of exhaust fume.In conclusion, exhaust fume represents a significant environmental challenge that requires collective action to address. As we strive for a more sustainable future, it is essential to recognize the importance of reducing vehicle emissions and exploring alternative modes of transportation. Only through concerted efforts can we hope to mitigate the harmful effects of exhaust fume and create a healthier planet for generations to come.

在当今快速发展的世界中，汽车对我们环境的影响不容小觑。与汽车使用相关的一个重大问题是排放的废气，它指的是发动机在燃烧过程中释放的气体。这些气体含有有害污染物，对人类健康和生态系统构成严重威胁。随着城市人口的增加和交通拥堵的加剧，城市地区的废气浓度持续上升，导致空气污染加剧和空气质量下降。废气的主要成分包括一氧化碳、氮氧化物、烃类和颗粒物。一氧化碳是一种无色无味的气体，在高浓度下可能致命，因为它阻止氧气进入血液。氮氧化物促成地面臭氧的形成，臭氧是雾霾的关键成分，会加重呼吸问题。烃类是有机化合物，会导致二次污染物的形成，而颗粒物可以深入肺部，引发各种健康问题，包括哮喘和心血管疾病。随着对这些危险的认识不断提高，许多国家开始实施更严格的汽车排放法规。例如，催化转换器的引入显著减少了排放的有害物质的数量，这些装置在废气排出车辆的排气系统之前，将有毒气体转化为较少有害的排放。此外，各国政府正在鼓励使用电动车辆，电动车辆不产生废气，是传统汽油车的更清洁替代品。然而，向更清洁交通方式的过渡并非没有挑战。电动车辆的基础设施仍在发展中，电池生产引发了资源开采和处置方面的担忧。此外，由于经济因素，许多人仍然依赖传统车辆，这使得在短期内实现显著减少废气排放变得困难。公众意识宣传在教育个人了解废气对健康和环境影响方面发挥着至关重要的作用。通过了解这些排放的来源和影响，人们可以对自己的交通选择做出明智的决定。例如，拼车、使用公共交通或骑自行车可以帮助减少道路上的车辆数量，从而减少废气的总体排放。总之，废气代表着一个重大的环境挑战，需要集体行动来应对。在我们追求更可持续的未来时，认识到减少汽车排放和探索替代交通方式的重要性至关重要。只有通过共同努力，我们才能希望减轻废气的有害影响，为子孙后代创造一个更健康的星球。