defoliant

简明释义

英[diːˈfəʊliənt]美[diːˈfoʊliənt]

n. （美）[农药] 落叶剂；[农药] 脱叶剂

复 数 d e f o l i a n t s

英英释义

单词用法

同义词

反义词

例句

1.Agent Orange is a defoliant that was used during the Vietnam War era and known to cause cancer and other serious illnesses.

橙剂是一种脱叶剂，曾在越战期间使用，已知会致癌和其他严重疾病。

2.Vietnam is beginning a joint operation with the United States to remove traces of the toxic defoliant agent orange.

越南与美国开始展开联合行动，清除有毒脱叶剂橙剂的残留物质。

3.The U. S. Army says it is looking into a report that drums of the Vietnam War-era toxic defoliant Agent Orange were buried at an American military facility in South Korea 33 years ago.

美国陆军表示，正在调查一则关于一些越南战争时期使用的有毒落叶剂“橙剂”33年前被埋在韩国的一处美军设施地下的报导。

4.The U.S. Army says it is looking into a report that drums of the Vietnam War-era toxic defoliant Agent Orange were buried at an American military facility in South Korea 33 years ago.a.

美国陆军表示，正在调查一则关于一些越南战争时期使用的有毒落叶剂“橙剂”33年前被埋在韩国的一处美军设施地下的报导。

5.Monsanto also produced the infamous Agent Orange, the cancer and birth-defect causing defoliant sprayed over Vietnam.

孟山都公司还生产了在越南到处喷洒导致癌症与婴儿缺陷的声名狼藉的黄色脱叶剂。

6.Vietnam is beginning a joint operation with the United States to remove traces of the toxic defoliant Agent Orange.

越南开始与美国联合开战清除有毒的橙剂(Agent Orange)污染残留的行动。

7.TCDD has also been extensively studied for health effects linked to its presence as a contaminant in some batches of the herbicide Agent Orange, which was used as a defoliant during the Vietnam War.

有关TCDD作为某些橙剂(一种在越战中使用的落叶剂)中的有毒物质对健康的影响引起了广泛的研究。

8.TCDD has also been extensively studied for health effects linked to its presence as a contaminant in some batches of the herbicide Agent Orange, which was used as a defoliant during the Vietnam War.

有关TCDD作为某些橙剂(一种在越战中使用的落叶剂)中的有毒物质对健康的影响引起了广泛的研究。

9.In South Korea, an investigation is underway to determine if the toxic defoliant Agent Orange was buried at a U.S. military base three decades ago.

韩国正在调查30年前是否有毒脱叶剂“橙剂”埋在韩美军基地的事件。

10.Farmers often use defoliant to prepare cotton plants for harvest.

农民常常使用除叶剂来准备棉花植物的收割。

11.The military applied defoliant during the war to remove cover from enemy positions.

军队在战争中使用除叶剂来消除敌方阵地的掩护。

12.Environmentalists are concerned about the effects of defoliant on local ecosystems.

环保主义者对除叶剂对当地生态系统的影响表示担忧。

13.The use of defoliant in agriculture can lead to soil degradation if not managed properly.

如果管理不当，农业中使用的除叶剂可能导致土壤退化。

14.Some defoliant products are designed to be less harmful to the environment.

一些除叶剂产品旨在对环境的危害较小。

作文

The use of chemicals in agriculture has been a topic of heated debate for decades. One such chemical that has garnered attention is the defoliant, which is primarily used to strip leaves from plants. While it may seem like a straightforward agricultural practice, the implications of using defoliant are far-reaching and complex. Farmers often resort to defoliant to facilitate the harvesting process, especially in crops like cotton. By removing the leaves, farmers can ensure that the cotton bolls are more accessible and easier to pick. This practice can lead to increased efficiency and productivity, but it also raises questions about environmental impact and health risks associated with chemical exposure. One of the most infamous examples of defoliant use is Agent Orange during the Vietnam War. This chemical was used not only to clear vegetation but also to expose enemy positions. The consequences of this decision were devastating, leading to long-term health issues for both soldiers and civilians. The lingering effects of defoliant exposure have been documented for generations, highlighting the need for careful consideration when employing such chemicals in any context. In modern agriculture, the reliance on defoliant has been challenged by many environmentalists and health advocates. They argue that the potential benefits do not outweigh the risks involved. Organic farming practices have gained popularity as an alternative to conventional methods that utilize defoliant. These practices promote biodiversity and soil health, offering a sustainable way to manage crops without the adverse effects of chemical usage. Moreover, the impact of defoliant extends beyond the immediate agricultural environment. Runoff from fields treated with these chemicals can contaminate nearby water sources, affecting aquatic ecosystems and drinking water supplies. This contamination poses a significant risk to wildlife and human populations alike, leading to a broader discussion about the safety and ethics of chemical use in farming. As consumers become more aware of the origins of their food, there is a growing demand for transparency in agricultural practices. Many people now seek out products labeled as organic or free from synthetic chemicals, including defoliant. This shift in consumer behavior encourages farmers to adopt more sustainable practices, reducing their reliance on harmful chemicals. In conclusion, while defoliant can offer short-term benefits in agricultural efficiency, the long-term consequences cannot be ignored. The use of such chemicals must be carefully regulated and monitored to protect both human health and the environment. As we move forward, it is crucial to explore alternative methods of farming that prioritize sustainability and ecological balance. By doing so, we can ensure a healthier planet for future generations, free from the dangers posed by substances like defoliant.

在农业中使用化学品已经成为几十年来激烈辩论的话题。其中一种引起关注的化学品是除叶剂，它主要用于剥离植物的叶子。虽然这似乎是一种直接的农业实践，但使用除叶剂的影响却是深远而复杂的。农民通常借助除叶剂来促进收获过程，尤其是在棉花等作物中。通过去除叶子，农民可以确保棉铃更易于接触和采摘。这一做法可以提高效率和生产力，但也引发了有关环境影响和化学暴露健康风险的问题。 一个关于除叶剂使用的最臭名昭著的例子是越南战争期间的橙剂。这种化学品不仅用于清除植被，还用于暴露敌方阵地。这一决定的后果是毁灭性的，导致士兵和平民长期健康问题。除叶剂暴露的持续影响已经被几代人记录下来，突显了在任何情况下使用此类化学品时需要仔细考虑。 在现代农业中，对除叶剂的依赖受到许多环保人士和健康倡导者的挑战。他们认为，潜在的好处并不 outweigh 所涉及的风险。随着有机农业实践作为一种替代传统方法而受到欢迎，这些实践促进生物多样性和土壤健康，提供了一种可持续的管理作物的方法，而无需使用有害化学品，包括除叶剂。 此外，除叶剂的影响超出了直接的农业环境。从处理过这些化学品的田地流出的径流可能污染附近的水源，影响水生生态系统和饮用水供应。这种污染对野生动物和人类群体构成了重大风险，导致了关于农业中化学品使用的安全性和伦理的更广泛讨论。 随着消费者越来越意识到食品的来源，对农业实践透明度的需求日益增加。许多人现在寻求标有有机或不含合成化学品的产品，包括除叶剂。这种消费行为的转变鼓励农民采用更可持续的做法，减少对有害化学品的依赖。 总之，虽然除叶剂在农业效率方面可以提供短期利益，但长期后果不容忽视。必须仔细监管和监测此类化学品的使用，以保护人类健康和环境。随着我们向前发展，探索优先考虑可持续性和生态平衡的替代农业方法至关重要。通过这样做，我们可以为未来的世代确保一个更健康的星球，远离像除叶剂这样的物质所带来的危险。