名词
中文翻译：树顶病害
同义词：
['canopy disease', 'crown disease例句：1. The tree-top disease is spreading rapidly through the forest.（树顶病害正在迅速通过森林传播。）']
例句：
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1. The tree-top disease is spreading rapidly through the forest.
树顶病害正在迅速通过森林传播。
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2.The trees are showing signs of the tree-top disease.
树木出现了树顶病害的迹象。
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3. The tree-top disease has been a major problem for many years.
树顶病害多年来一直是许多问题。