leaded gasoline

简明释义

加铅汽油

英英释义

例句

1.Environmental regulations have led to the phase-out of leaded gasoline worldwide.

环境法规导致全球逐步淘汰铅汽油。

2.In the past, leaded gasoline was popular for its ability to reduce engine knocking.

在过去，铅汽油因其能减少发动机敲击声而受到欢迎。

3.Mechanics often have to inform customers that their vintage vehicles may require leaded gasoline.

技师经常需要告知客户，他们的复古车辆可能需要使用铅汽油。

4.Many older cars were designed to run on leaded gasoline, which is now banned in most countries.

许多老款汽车设计时是为了使用铅汽油，而这种燃料在大多数国家现在已被禁止。

5.The use of leaded gasoline has been linked to serious health issues, especially in children.

使用铅汽油与严重的健康问题有关，尤其是在儿童中。

作文

In the 20th century, the advent of automobiles revolutionized transportation and mobility. However, this innovation also brought about significant environmental challenges, particularly with the use of fuels. One of the most contentious types of fuel was leaded gasoline, which became widely used in the United States and other countries. 铅汽油 was introduced to enhance engine performance by reducing knocking and improving efficiency. It was a common belief that adding tetraethyl lead to gasoline would provide better combustion and longevity for engines. Despite its advantages, the use of leaded gasoline had severe consequences for public health and the environment. Studies began to emerge in the mid-20th century linking lead exposure to various health issues, including cognitive impairments in children and cardiovascular problems in adults. The effects of lead poisoning were especially pronounced in urban areas where vehicular emissions were high. As cars released leaded gasoline fumes into the atmosphere, the lead particles settled on surfaces, contaminating soil and water supplies.As awareness grew about the dangers of lead exposure, many countries started to re-evaluate their fuel policies. In the United States, the Environmental Protection Agency (EPA) began to implement regulations aimed at phasing out the use of leaded gasoline. By the 1980s, alternatives such as unleaded gasoline became more popular, leading to a significant reduction in lead levels in the environment. This transition not only improved air quality but also contributed to better health outcomes for the population.The global movement to eliminate leaded gasoline gained momentum in the 1990s, with many countries following suit. The World Health Organization (WHO) and other international organizations played a crucial role in advocating for the ban of leaded gasoline, emphasizing its detrimental effects on health and the environment. As a result, by the early 2000s, most countries had phased out the use of leaded gasoline, marking a significant victory for public health advocates.Today, the legacy of leaded gasoline serves as a reminder of the importance of regulatory measures and public awareness regarding environmental health. The transition to unleaded fuels has not only reduced lead pollution but has also paved the way for the development of cleaner energy sources. As we continue to face the challenges of climate change and environmental degradation, it is essential to learn from the past and prioritize sustainable practices in our fuel consumption.In conclusion, the history of leaded gasoline illustrates the complex relationship between technological advancement and public health. While it initially provided benefits for engine performance, the long-term consequences of lead exposure highlighted the need for careful consideration of the environmental impact of our choices. Moving forward, we must remain vigilant in ensuring that our energy sources are safe and sustainable for future generations.

在20世纪，汽车的出现彻底改变了交通和流动性。然而，这一创新也带来了显著的环境挑战，尤其是在燃料的使用方面。其中最具争议的燃料之一就是铅汽油，它在美国和其他国家广泛使用。铅汽油的引入旨在通过减少敲击声和提高效率来增强发动机性能。人们普遍认为，将四乙基铅添加到汽油中可以提供更好的燃烧效果和更长的发动机寿命。尽管有其优点，但使用铅汽油对公共健康和环境造成了严重后果。20世纪中期，研究开始出现，将铅暴露与各种健康问题联系起来，包括儿童的认知障碍和成人的心血管问题。铅中毒的影响在城市地区尤为明显，因为车辆排放量高。当汽车释放出含有铅汽油的烟雾时，铅颗粒沉降在表面上，污染土壤和水源。随着人们对铅暴露危险的认识不断提高，许多国家开始重新评估其燃料政策。在美国，环境保护局（EPA）开始实施旨在逐步淘汰铅汽油的法规。到1980年代，无铅汽油等替代品变得更加流行，导致环境中的铅水平显著下降。这一转变不仅改善了空气质量，还促进了人口的健康结果。消除铅汽油的全球运动在1990年代获得动力，许多国家纷纷效仿。世界卫生组织（WHO）和其他国际组织在倡导禁止铅汽油方面发挥了关键作用，强调其对健康和环境的危害。因此，到21世纪初，大多数国家已逐步淘汰使用铅汽油，标志着公共健康倡导者的一次重大胜利。今天，铅汽油的遗产提醒我们必须关注监管措施和公众意识对环境健康的重要性。向无铅燃料的过渡不仅减少了铅污染，而且为开发更清洁的能源来源铺平了道路。随着我们继续面临气候变化和环境退化的挑战，学习过去的教训并优先考虑可持续的燃料消费实践至关重要。总之，铅汽油的历史说明了技术进步与公共健康之间复杂的关系。虽然它最初为发动机性能提供了好处，但铅暴露的长期后果突显了我们在选择时需要仔细考虑环境影响。展望未来，我们必须保持警惕，确保我们的能源来源对后代是安全和可持续的。