pathology of plants

例句：

1. 1. Pathologists study the causes of disease.
   病理学家研究疾病的成因。
2. 2.The new drug has shown promising results in treating cancer.
   这种新药在治疗癌症方面显示出了令人鼓舞的结果。
3. 3.Pathology is a branch of medicine that deals with diseases and their causes.
   病理学是医学的一个分支，研究疾病及其原因。