1 N-COUNT 害虫；害兽 Pests are insects or small animals which damage crops or food supplies. 害虫；害兽
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...crops which are resistant to some of the major insect pests and diseases.
对一些主要病虫害有抵御能力的作物
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Each year ten percent of the crop is lost to a pest called corn rootworm.
一种叫玉米根虫的害虫每年会让粮食减产10%。
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...new and innovative methods of pest control.
防治虫害的创新办法
2 N-COUNT 讨厌鬼（尤指儿童） You can describe someone, especially a child, as a pest if they keep bothering you. 讨厌鬼（尤指儿童） [informal, disapproval]
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