n.落叶

The forest was severely damaged by defoliation caused by an infestation of caterpillars.
这片森林由于毛虫的侵袭导致严重落叶。
Defoliation during the growing season can have a detrimental effect on crop yield.
生长季节中的落叶会对农作物产量产生负面影响。
Excessive use of herbicides led to widespread defoliation in the surrounding area.
过度使用除草剂导致周边区域大量落叶。
The army used napalm, causing massive defoliation and destruction in the war zone.
军队使用凝固汽油弹，造成战区大规模落叶与破坏。
Due to drought conditions, many trees experienced premature defoliation this year.
由于干旱条件的影响，今年许多树木出现了提前落叶的现象。
Defoliation is a common symptom of many plant diseases, such as Dutch elm disease.
落叶是很多植物病害的常见症状，比如荷兰榆树病。
The treatment for cotton leaf curl virus includes removing infected plants to prevent further defoliation.
对于棉花卷叶病毒的治疗方法包括移除受感染植株以防止进一步落叶。
The trees along the riverbank were suffering from defoliation due to chemical pollution in the water.
河岸边的树木因水体化学污染而遭受落叶之苦。
The caterpillar's feeding habits cause considerable defoliation, leading to weakened trees that are more susceptible to pests and diseases.
毛虫的取食习性会导致大量落叶，从而使树木变得虚弱，更容易受到病虫害的侵害。
Researchers studied the effects of defoliation on the life cycle and reproduction of the monarch butterfly.
研究人员研究了落叶对帝王蝶生命周期和繁殖的影响。