pesticide

简明释义

英[ˈpestɪsaɪd]美[ˈpestɪsaɪd]

n. 杀虫剂，农药

复 数 p e s t i c i d e s

英英释义

单词用法

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例句

1.Out of 120 substances tested in beef, only one is a pesticide.

从牛肉中检验出的120种物质之中，只有一种是农药。

2.Nearby were two cow carcasses that had been laced with a bluish pesticide called carbofuran.

不远处是两头被人掺了一种叫做呋喃丹的浅蓝色农药的母牛的尸体。

3.Samples of the water contained pesticide.

水样中含有杀虫剂。

4.This pesticide is diluted with water and applied directly to the fields.

这种杀虫剂用水稀释后直接施用在田里。

5.They include drinks, medicine, even pesticide.

它们包括饮料，药品，甚至杀虫剂。

6.Foodswith the highest pesticide residues include strawberries, peaches, celery, apples, and spinach.

含有高农药残留的农产品有：草莓，桃子，芹菜，苹果和菠菜。

7.Nineteen-year-old Babli was forced to drink pesticide by her brother.

巴布里的弟弟强迫年仅19岁的她吞噬杀虫剂。

8.Farmers could then spot-spray, using 50 to 70 percent less pesticide than they otherwise would.

农民们就可以用比原来少50%到70%的杀虫剂定点喷药。

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

农民经常使用农药来保护他们的作物免受昆虫的侵害。

10.The pesticide sprayed on the field was effective in reducing pest populations.

喷洒在田地上的农药有效地减少了害虫数量。

11.Organic farms typically avoid using synthetic pesticides.

有机农场通常避免使用合成的农药。

12.Before applying any pesticide, it's important to read the label carefully.

在施用任何农药之前，仔细阅读标签是很重要的。

13.Some studies suggest that certain pesticides may harm beneficial insects.

一些研究表明，某些农药可能会伤害有益昆虫。

作文

Pesticides play a crucial role in modern agriculture, helping farmers protect their crops from pests and diseases. However, the use of pesticide (农药) has become a topic of significant debate due to its potential impact on human health and the environment. The term pesticide refers to any chemical substance used to kill or control pests, including insects, weeds, fungi, and rodents. While these chemicals can be effective in increasing crop yields and ensuring food security, they also pose risks that cannot be ignored. One of the primary benefits of using pesticide (农药) is the protection it offers to crops. Farmers rely on these substances to minimize losses caused by pests that can destroy entire harvests. For instance, without the application of pesticide, many crops would be vulnerable to infestations, leading to decreased food production and higher prices for consumers. In this sense, pesticide is an essential tool in achieving agricultural efficiency and sustainability. However, the widespread use of pesticide (农药) raises concerns about its effects on human health. Research has shown that exposure to certain pesticide chemicals can lead to various health issues, including respiratory problems, skin irritations, and even long-term conditions such as cancer. This has led to increased scrutiny and calls for stricter regulations on pesticide use. Many countries have begun to limit the types of pesticide that can be used in agriculture, encouraging farmers to adopt safer alternatives. Another critical aspect of pesticide (农药) use is its environmental impact. The runoff from fields treated with pesticide can contaminate water sources, affecting aquatic life and drinking water quality. Additionally, the overuse of pesticide can lead to the development of resistant pest populations, which can create a cycle of dependency on stronger and potentially more harmful chemicals. This not only threatens biodiversity but also undermines the very purpose of using pesticide—to maintain healthy ecosystems that support agriculture. To address these challenges, there is a growing movement towards integrated pest management (IPM), which emphasizes the use of biological controls, crop rotation, and other sustainable practices alongside limited pesticide (农药) application. By reducing reliance on chemical solutions, farmers can protect their crops while also safeguarding their health and the environment. Education and training programs for farmers are essential in promoting these practices and ensuring a more sustainable approach to pest control. In conclusion, while pesticide (农药) remains a vital component of modern agriculture, its use must be carefully managed to mitigate potential risks. Balancing the need for crop protection with the health of people and the planet is critical for the future of farming. As society continues to evolve, finding innovative solutions to pest management that prioritize safety and sustainability will be essential. This will not only benefit farmers but also contribute to a healthier ecosystem and a safer food supply for everyone.