n.落叶剂(有时用作武器)

原形：defoliant复数：defoliants

The defoliant sprayed over the forest quickly killed all the vegetation.
其中文释义为：喷洒在森林上的除草剂迅速杀死了所有的植物。
The use of Agent Orange as a defoliant during the Vietnam War caused long-term health issues for many veterans.
这句的意思是：越南战争期间使用橙剂作为除草剂，导致许多退伍军人长期健康问题。
The farmers were warned not to let the livestock graze in the area treated with defoliant, as it could be toxic.
提醒农民不要让家畜在使用了除草剂的地方放牧，因为可能有毒。
The environmental impact of defoliant is significant, leading to soil erosion and loss of biodiversity.
其中文释义为：除草剂对环境的影响很大，会导致土壤侵蚀和生物多样性的丧失。
The military developed new, less harmful defoliants to replace the older, toxic versions.
军方研发了新型的、危害较小的除草剂来替代旧的有毒版本。
The government has strict regulations on the use of defoliant to minimize its ecological consequences.
政府对除草剂的使用有严格的规章制度，以尽量减少其生态影响。
Farmers found alternative methods to control weeds after the ban on certain defoliants was imposed.
在禁止某些除草剂后，农民寻找了控制杂草的替代方法。
The cleanup process of defoliant-contaminated sites is a challenging and expensive endeavor.
清理被除草剂污染的地点是一项既艰巨又昂贵的工作。
The aftermath of Agent Orange exposure led to widespread suffering and compensation claims from affected communities.
曾经接触橙剂的人们遭受了广泛的痛苦，并向受影响社区提出了赔偿要求。
Scientists are researching more eco-friendly alternatives to traditional defoliants to reduce their environmental footprint.
科学家正在研究更环保的除草剂替代品，以减少它们对环境的影响。