名词
中文翻译：苜蓿的常见叶斑病
同义词：
['Common leaf spot of alfalfa', 'Alfalfa common leaf spot']
例句：
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1.The common leaf spot of alfalfa is a major threat to the health of the plants.
苜蓿的常见叶斑病是植物健康的主要威胁。
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2.The farmers are worried about the damage caused by the common leaf spot of alfalfa.
农民们担心由苜蓿的常见叶斑病造成的损害。
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3. To control the common leaf spot of alfalfa, farmers need to use proper fertilizers and pesticides.
为了控制苜蓿的常见叶斑病，农民需要使用适当的肥料和杀虫剂。