pollutant

简明释义

[pəˈluːtənt][pəˈluːtənt]

n. 污染物

复 数 p o l l u t a n t s

英英释义

A substance that contaminates the environment, particularly air, water, or soil, causing harm to living organisms and ecosystems.

一种污染环境的物质,特别是空气、水或土壤,对生物和生态系统造成伤害。

单词用法

pollutant discharge

污染物排放

pollutant emission

污染物排放;污染发散物

同义词

contaminant

污染物

Industrial waste is a major contaminant in many rivers.

工业废物是许多河流中的主要污染物。

impurity

杂质

The water was tested for impurities before it was deemed safe to drink.

在水被认为安全饮用之前,进行了杂质检测。

toxin

毒素

Certain plants can absorb toxins from the soil.

某些植物可以从土壤中吸收毒素。

hazard

危害物

The chemical spill introduced hazardous materials into the environment.

化学泄漏将危险物质引入环境。

反义词

cleaner

清洁剂

This cleaner effectively removes pollutants from the air.

这种清洁剂有效去除空气中的污染物。

purifier

净化器

A water purifier can eliminate harmful pollutants from drinking water.

水净化器可以消除饮用水中的有害污染物。

sanitizer

消毒剂

Using a sanitizer helps to reduce the presence of harmful pollutants on surfaces.

使用消毒剂有助于减少表面上有害污染物的存在。

例句

1.As an air pollutant, NO2 has several correlated activities.

作为一种空气污染物,二氧化氮具有几个相关联的活动。

2.The hope is that the gas will stay deep underground for millennia rather than entering the atmosphere as a heat-trapping pollutant.

我们宁愿二氧化碳在地下沉睡一千年,也不愿把它释放到大气中来使大气变暖。

3.Still, there are many reasons to pursue such studies, he said. Electric fields can help reduce soot formation and pollutant emissions from flames.

仍有许多原因推动这些研究,他说。电场可助于降低火焰中烟尘的形成以及污染物的排放。

4.The insects also produce 300 times less nitrous oxide, also a warming gas, and much less ammonia, a pollutant produced by pig and poultry farming.

昆虫制造出的一氧化氮比猪和家禽少300倍,制造的温室气体、氨气也要少很多。

5.Soon electrofilters of the new generation will be installed here and that will greatly lower the pollutant emissions.

新一代的电子除尘过滤装置很快将会被安装起来,这样会很大程度上降低污染物的排放。

6.PM affects more people than any other pollutant.

可吸入颗粒物对人的影响要大于其他任何污染物。

7.And if that wasn t bad enough NOx is a poisonous pollutant that it takes a lot of effort to remove.

而且,比这更糟的是,氮氧化物属于一种有毒的污染物,清除它需要付出很高的成本。

8.Nitrogen dioxide is a pollutant emitted by automobiles.

二氧化氮是汽车排放的一种污染物。

9.Air quality has deteriorated due to the increase in pollutants from vehicles.

由于汽车排放的污染物增加,空气质量恶化。

10.Scientists are studying how different pollutants affect marine life.

科学家们正在研究不同的污染物如何影响海洋生物。

11.The government has implemented stricter regulations on industrial pollutants.

政府对工业污染物实施了更严格的规定。

12.The factory was fined for releasing a harmful pollutant into the river.

这家工厂因向河流排放有害的污染物而被罚款。

13.Reducing pollutants in the atmosphere is crucial for public health.

减少大气中的污染物对公众健康至关重要。

作文

In recent years, the issue of environmental pollution has become increasingly prominent. One of the key contributors to this problem is the presence of various pollutants(污染物) in our air, water, and soil. These pollutants(污染物) come from a variety of sources, including industrial activities, vehicle emissions, and agricultural practices. Understanding the impact of these pollutants(污染物) is crucial for developing effective strategies to combat environmental degradation.Air pollution is one of the most serious forms of pollution, primarily caused by the release of harmful gases and particulates into the atmosphere. Common pollutants(污染物) such as carbon monoxide, sulfur dioxide, and nitrogen oxides can lead to severe health issues, including respiratory diseases and cardiovascular problems. Moreover, these pollutants(污染物) contribute to the formation of smog and acid rain, which can have devastating effects on ecosystems and wildlife.Water pollution is another major concern, often resulting from the discharge of industrial waste, sewage, and agricultural runoff into rivers, lakes, and oceans. The presence of pollutants(污染物) like heavy metals, pesticides, and plastics not only harms aquatic life but also poses risks to human health through contaminated drinking water. For instance, the accumulation of mercury in fish can lead to serious neurological disorders in humans who consume them.Soil contamination is yet another critical issue associated with pollutants(污染物). Pesticides and fertilizers used in agriculture can seep into the soil, altering its composition and affecting plant growth. Additionally, hazardous waste from industrial sites can leach into the ground, posing long-term risks to both the environment and public health. The presence of these pollutants(污染物) can render land unusable and diminish agricultural productivity.To address the challenges posed by pollutants(污染物), it is essential for governments, industries, and individuals to work together. Implementing stricter regulations on emissions and waste disposal can significantly reduce the amount of harmful pollutants(污染物) released into the environment. Furthermore, investing in cleaner technologies and renewable energy sources can help decrease our reliance on fossil fuels, thereby minimizing air and water pollution.Public awareness and education are also vital in combating pollution. By informing communities about the sources and effects of pollutants(污染物), we can encourage more sustainable practices, such as recycling and reducing waste. Grassroots movements and local initiatives can play a significant role in advocating for cleaner environments and holding polluters accountable.In conclusion, the presence of pollutants(污染物) in our environment poses serious threats to public health and ecological balance. It is imperative that we recognize the importance of addressing this issue through collective action and informed decision-making. Only by reducing the release of pollutants(污染物) and promoting sustainable practices can we hope to create a healthier planet for future generations.

近年来,环境污染问题变得越来越突出。造成这一问题的主要因素之一是我们空气、水和土壤中存在的各种污染物(污染物)。这些污染物(污染物)来自多种来源,包括工业活动、汽车排放和农业实践。理解这些污染物(污染物)的影响对于制定有效的应对环境恶化的策略至关重要。空气污染是最严重的污染形式之一,主要是由于有害气体和颗粒物释放到大气中。常见的污染物(污染物)如一氧化碳、二氧化硫和氮氧化物会导致严重的健康问题,包括呼吸系统疾病和心血管问题。此外,这些污染物(污染物)还会导致雾霾和酸雨的形成,对生态系统和野生动物产生毁灭性影响。水污染是另一个主要问题,通常是由于工业废物、污水和农业径流排放到河流、湖泊和海洋中造成的。像重金属、农药和塑料这样的污染物(污染物)的存在不仅危害水生生物,还通过污染的饮用水对人类健康构成风险。例如,鱼类体内汞的积累可能导致食用这些鱼的人类出现严重的神经系统疾病。土壤污染是与污染物(污染物)相关的另一个关键问题。农业中使用的农药和肥料可能渗入土壤,改变其成分并影响植物生长。此外,来自工业场所的有害废物可能渗透到地下,给环境和公众健康带来长期风险。这些污染物(污染物)的存在可能使土地无法使用,并降低农业生产力。为了解决由污染物(污染物)引发的挑战,各国政府、企业和个人必须共同努力。实施更严格的排放和废物处理法规可以显著减少释放到环境中的有害污染物(污染物)数量。此外,投资于清洁技术和可再生能源可以帮助减少我们对化石燃料的依赖,从而最小化空气和水污染。公众意识和教育在抗击污染方面也至关重要。通过向社区宣传污染物(污染物)的来源和影响,我们可以鼓励更多的可持续实践,例如回收和减少废物。草根运动和地方倡议在倡导清洁环境和追究污染者责任方面可以发挥重要作用。总之,环境中存在的污染物(污染物)对公众健康和生态平衡构成严重威胁。我们必须认识到通过集体行动和明智决策来解决这一问题的重要性。只有通过减少污染物(污染物)的释放和促进可持续实践,我们才能希望为未来的世代创造一个更健康的地球。