ultrafine dust

简明释义

超细粉尘

英英释义

例句

1.Children and the elderly are particularly vulnerable to ultrafine dust pollution.

儿童和老年人特别容易受到超细尘埃污染的影响。

2.Wearing a mask can help reduce exposure to ultrafine dust in urban areas.

在城市地区佩戴口罩可以帮助减少对超细尘埃的暴露。

3.The air quality index has shown high levels of ultrafine dust, which can pose serious health risks.

空气质量指数显示出高水平的超细尘埃，这可能会对健康构成严重风险。

4.Many vehicles emit ultrafine dust that contributes to air pollution.

许多车辆排放的超细尘埃加剧了空气污染。

5.Research shows that long-term exposure to ultrafine dust is linked to respiratory diseases.

研究表明，长期暴露于超细尘埃与呼吸系统疾病有关。

作文

In recent years, the issue of air pollution has gained significant attention worldwide. Among the various pollutants, ultrafine dust (超细尘埃) has emerged as a major concern due to its detrimental effects on human health and the environment. Ultrafine dust refers to particulate matter that is less than 2.5 micrometers in diameter. These tiny particles can penetrate deep into the lungs and even enter the bloodstream, leading to a range of health issues such as respiratory diseases, cardiovascular problems, and even neurological disorders.One of the primary sources of ultrafine dust (超细尘埃) is vehicle emissions. As cities continue to grow and the number of vehicles on the road increases, the release of these fine particles into the atmosphere becomes more pronounced. Additionally, industrial activities, construction sites, and even natural events like wildfires contribute significantly to the presence of ultrafine dust in the air.The impact of ultrafine dust (超细尘埃) on public health cannot be overstated. Studies have shown that prolonged exposure to these particles can lead to serious health complications. Vulnerable populations, such as children, the elderly, and those with pre-existing health conditions, are particularly at risk. For instance, children exposed to high levels of ultrafine dust may experience developmental issues and reduced lung function, which can have lifelong consequences.Moreover, ultrafine dust (超细尘埃) also poses a threat to the environment. It can affect air quality, leading to smog formation and decreased visibility. Furthermore, when these particles settle on surfaces, they can contaminate water bodies and soil, disrupting local ecosystems. This highlights the need for comprehensive strategies to reduce the emission of ultrafine dust and improve air quality.Governments and organizations around the world are taking steps to address the challenges posed by ultrafine dust (超细尘埃). Implementing stricter emission standards for vehicles and industries is one effective approach. Additionally, increasing public awareness about the sources and dangers of ultrafine dust can encourage individuals to take action, such as using public transportation or adopting cleaner energy sources.In conclusion, ultrafine dust (超细尘埃) is a pressing environmental and health issue that requires urgent attention. By understanding its sources and impacts, we can work together to implement solutions that protect both our health and the planet. It is crucial for governments, communities, and individuals to collaborate in reducing the prevalence of ultrafine dust in our air, ensuring a healthier future for generations to come.

近年来，空气污染问题在全球范围内引起了广泛关注。在各种污染物中，超细尘埃（ultrafine dust）由于对人类健康和环境的危害而成为主要关注点。超细尘埃是指直径小于2.5微米的颗粒物。这些微小的颗粒可以深入肺部，甚至进入血液，导致一系列健康问题，如呼吸系统疾病、心血管问题，甚至神经系统障碍。超细尘埃（ultrafine dust）的主要来源之一是车辆排放。随着城市的不断发展和道路上车辆数量的增加，这些细小颗粒释放到大气中的现象愈加明显。此外，工业活动、建筑工地，甚至自然事件如野火也显著增加了空气中超细尘埃的存在。超细尘埃（ultrafine dust）对公共健康的影响不容小觑。研究表明，长期暴露于这些颗粒物中可能导致严重的健康并发症。儿童、老年人以及有既往健康状况的人群尤其面临风险。例如，暴露于高浓度超细尘埃的儿童可能会经历发育问题和肺功能下降，这可能会对其终生产生影响。此外，超细尘埃（ultrafine dust）还对环境构成威胁。它会影响空气质量，导致雾霾形成和能见度降低。此外，当这些颗粒沉降在表面时，会污染水体和土壤，破坏当地生态系统。这凸显了减少超细尘埃排放和改善空气质量的必要性。世界各国政府和组织正在采取措施应对超细尘埃（ultrafine dust）带来的挑战。实施更严格的车辆和工业排放标准是一种有效的方法。此外，提高公众对超细尘埃来源和危害的认识，可以鼓励个人采取行动，例如使用公共交通或采用更清洁的能源。总之，超细尘埃（ultrafine dust）是一个迫在眉睫的环境和健康问题，需要紧急关注。通过了解其来源和影响，我们可以共同努力实施保护我们健康和地球的解决方案。政府、社区和个人的合作对于减少空气中超细尘埃的普遍性至关重要，以确保未来几代人的健康未来。