病害

例句：

1. 1. The farmer is worried about the crop being affected by the disease.
   农民担心作物受到病害的影响。
2. 2. The patient was diagnosed with a serious bacterial infection.
   病人被诊断出患有严重的细菌感染。
3. 3. The research team found that the pesticide used in the treatment had caused some plant diseases.
   研究小组发现，治疗中使用的农药导致了一些植物病害。