pesticides

简明释义

英['pestɪsaɪdz]美['pɛstɪsaɪdz]

n. [农药]农药；[农药]杀虫剂（pesticide 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Like food crops, flowers are often grown with pesticides.

和粮食种植一样，种植花卉也要用到杀虫剂。

2.Because of their tremendous breeding potential and genetic diversity, many pests are known to withstand synthetic chemicals and bear offspring with a built-in resistance to pesticides.

由于害虫有巨大的繁殖潜力和基因多样性，许多害虫被认为能够抵抗合成化学物质，而且生育的后代对杀虫剂具有内在的抵抗力。

3.Up until today, he can't handle pesticides.

直到今天，他仍不能接触农药。

4.It can also seep in from some pesticides and fertilizers.

同样它们也可以通过杀虫剂和肥料渗透进食物。

5.And there are no antibiotics, pesticides or hormones.

我们不用抗生素、杀虫剂或激素。

6.The question of whether the decrease in plant fecundity caused by the spraying of pesticides actually causes a decline in the overall population of flowering plant species still remains unanswered.

喷洒杀虫剂导致的植物繁殖力下降是否真的会导致开花植物物种总数的下降，这个问题仍然没有答案。

7.Apart from engendering widespread ecological disorders, pesticides have contributed to the emergence of a new breed of chemical-resistant, highly lethal superbugs.

除了造成广泛的生态失调外，农药还促成了一种新型的具有抗化学性的、高度致命的超级细菌的出现。

8.I like the fact that organic farms don't use chemical pesticides or anything that can pollute the soil or the water.

我喜欢有机农场不使用化学农药或任何会污染土壤或水的东西。

9.Farmers often use pesticides to protect their crops from insects.

农民通常使用农药来保护他们的作物免受昆虫的侵害。

10.The environmental group is campaigning against the use of harmful pesticides in agriculture.

环保组织正在反对在农业中使用有害的农药。

11.Some pesticides can leave residues on fruits and vegetables.

一些农药可能会在水果和蔬菜上留下残留物。

12.Organic farms typically avoid synthetic pesticides and use natural alternatives.

有机农场通常避免使用合成的农药，而采用自然替代品。

13.Excessive use of pesticides can lead to soil degradation.

过度使用农药可能导致土壤退化。

作文

Pesticides have become an integral part of modern agriculture, playing a crucial role in ensuring food security and enhancing crop yields. These chemical substances are designed to eliminate pests, weeds, and diseases that threaten the health of crops. However, the use of 农药 has sparked significant debate regarding their impact on the environment and human health. While they are essential for maximizing agricultural productivity, it is vital to understand both their benefits and drawbacks. One of the primary advantages of using 农药 is the increased efficiency in farming practices. Farmers can protect their crops from various threats, such as insects, fungi, and rodents, which can cause substantial damage if left unchecked. By applying 农药, farmers can ensure a healthier harvest and reduce the risk of crop failure. This efficiency not only helps in meeting the growing global food demand but also supports the livelihoods of millions of farmers worldwide. Moreover, 农药 contribute to the economic stability of agricultural sectors. Higher crop yields lead to increased income for farmers, which can be reinvested into their farms or communities. This cycle of investment can foster rural development and improve the standard of living for many families. Additionally, the agricultural sector often relies on exports, and the ability to produce high-quality, pest-free crops can enhance a country's competitiveness in the global market. However, the reliance on 农药 is not without its challenges. One significant concern is the potential for environmental contamination. When 农药 are applied, they can runoff into nearby water sources, harming aquatic life and disrupting ecosystems. Furthermore, the overuse of certain types of 农药 can lead to the development of resistant pest populations, making it increasingly difficult for farmers to manage these threats effectively. Another critical issue is the impact of 农药 on human health. Studies have linked exposure to certain 农药 to a range of health problems, including respiratory issues, skin irritations, and even long-term effects such as cancer. Farmworkers, in particular, are at a higher risk due to their direct contact with these chemicals. Therefore, it is essential to implement safety measures and regulations to protect those who handle 农药 and the surrounding communities. In response to these concerns, there has been a growing movement towards sustainable agriculture and the use of alternative pest management strategies. Integrated Pest Management (IPM) is one such approach that combines biological, cultural, and mechanical methods with the judicious use of 农药. This holistic strategy aims to minimize the reliance on chemical inputs while still protecting crop yields. In conclusion, 农药 play a vital role in modern agriculture, offering numerous benefits in terms of productivity and economic stability. However, it is crucial to balance these advantages with the potential risks to human health and the environment. As we move forward, embracing sustainable practices and exploring innovative solutions will be key to ensuring that the use of 农药 contributes positively to both agriculture and society as a whole.

农药在现代农业中已成为不可或缺的一部分，在确保粮食安全和提高农作物产量方面发挥着至关重要的作用。这些化学物质旨在消灭威胁作物健康的害虫、杂草和疾病。然而，使用农药引发了关于其对环境和人类健康影响的重大辩论。虽然它们对于最大化农业生产力至关重要，但理解它们的利弊是非常重要的。 使用农药的主要优势之一是提高了农业实践的效率。农民可以保护他们的作物免受各种威胁，例如昆虫、真菌和啮齿动物，如果不加以控制，这些威胁可能会造成重大损失。通过施用农药，农民可以确保更健康的收成，并降低作物失败的风险。这种效率不仅有助于满足全球日益增长的食品需求，还支持全球数百万农民的生计。 此外，农药有助于农业部门的经济稳定。较高的作物产量为农民带来了更高的收入，这些收入可以再投资于他们的农场或社区。这种投资循环可以促进农村发展，提高许多家庭的生活水平。此外，农业部门通常依赖出口，生产高质量、无害虫的作物的能力可以增强一个国家在全球市场的竞争力。 然而，依赖农药并非没有挑战。一个重要的问题是环境污染的潜在风险。当施用农药时，它们可能会流入附近的水源，危害水生生物并破坏生态系统。此外，某些类型的农药的过度使用可能导致害虫种群产生抗药性，使农民越来越难以有效管理这些威胁。 另一个关键问题是农药对人类健康的影响。研究表明，接触某些农药与一系列健康问题有关，包括呼吸问题、皮肤刺激，甚至长期效果如癌症。农场工人尤其面临更高的风险，因为他们直接接触这些化学品。因此，实施安全措施和法规以保护处理农药的人及周围社区是至关重要的。 对此，越来越多的人开始倡导可持续农业和替代害虫管理策略的使用。综合害虫管理（IPM）就是一种结合生物、文化和机械方法以及合理使用农药的方式。这种整体策略旨在减少对化学投入的依赖，同时仍然保护作物产量。 总之，农药在现代农业中发挥着重要作用，在生产力和经济稳定方面提供了众多好处。然而，平衡这些优势与对人类健康和环境的潜在风险至关重要。随着我们向前发展，拥抱可持续实践并探索创新解决方案将是确保农药的使用对农业和整个社会产生积极贡献的关键。